For a stem-and-leaf plot, how many stems would you make out of this data set?
That depends - is the number "1" that appears at the beginning of the line of numbers (before the 67) an actual 1 or a typo? If it is a one, then 7. If not, then 6. The "leaves" in a stem and leaf plot contain only a single digit. So the number 67 would be a stem of "6" and a leaf of "7". If a number is only a single digit, such as 1, then the stem for it is "0" and the leaf "1". If it was meant to be 13, then the stem would be "1" and the leaf "3". You have numbers where the stem would be: 0 (maybe, if the 1 is really a 1) 1 (the 15) 2 (20, 25) 3 (30, 33) 4 (40, 41) 5 (51, 52, 54) 6 (63, 65, 67, 68) Also, when you post a question here, the second step is to classify your question by choosing a category. A computer looks at keywords in your question and makes some predictions about where it should be placed, but it's up to YOU to see which is the best place for it. It chose Botany because the question included the words "stem" and "leaf". But you're asking about the stem and leaf that belongs in Mathematics. If that's not given as one of the choices, you can browse all the categories to choose the best fit. Having your question in the right category means having it answered sooner, and more accurately than having it go into a wrong category.
How do you do a stem-and-leaf plot for numbers with one digit?
I'm doing my math homework and it says to do a stem-and-leaf plot for each set of numbers it gives. I was doing fine, but I have no idea what to do with the numbers with one digit. Do I just write what it is or do I add a zero? It says,, 33, 12, 8, 14, 39, 5, 26, 36, 7, 4, 6 Now what do I do with the one digit numbers on the stem-and-leaf plot???? :/
Help with key for stem and leaf plots?
How do you figure out the key for a stem and leaf plot? I know how to make the stem leaf plot but not how to get the key. Help please. Examples: 3/2,9 4/0,3,5,7 5/0 6 7/0 41/2 42 43/1,7 44/4,5,5,6,6,8 45/1,4,7,8,9 46/0,1,2,3
Use the following Stem-and-leaf plot?
The fact that it tells you 1|7 = 17 implies that the stem is is in "tens" and the leafs are in ones. So for the first row your scores are: {17,19}. The same logic applies to the remaining rows. At 2 in the stem implies the score is in the twenties so 20-29. The mode is the most frequently occurring value. In this example, it would is 23. Mean can be calculated easily by summing all the values found in question 31 and dividing by the total # of values Median is the middle value such that 50% of the recorded values are < median and the other 50% are > median. To find this, you first need to list the values in numerical order (as done in 31). if there are n total scores, the POSITION of the median value is (n+1)/2. So in this case n = 10 so the position of the median is 11/2=5.5. To get the value, you need to sum the value in the 5th position and 6th position and divide by 2 so: (33+33)/2 = 33 = median. lower quartile is the same logic, only the position is (n+1)/4 (lower 25% and upper 75%). so its 11/4 = 2.75. Here to get the exact value, you can use interpolation 19+ 0.75(20-19) upper quartile is the same as above. position is 3(n+1)/4 = 33/4 = 8.25. upper quartile is 30 +0.25(33-30)
Can some one explain how to do this problem? Stem and leaf math?
Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Data set A: The annual wages of employees at a small accounting firm are given in thousands of dollars. 15 19 23 26 32 50 60 23 17 34 14 21 35
Back-to-back stem plot of word length for AP Stats?
I think the way to do it is to first get the word length data for each set. The data should not be so different that they are not on the same scale. The plot the stemplot just as you would for one set of data, but put one set of data on one side of the axis, and the other set on the opposite side. So for the words you have of length 3, say you have 11 in one set, and 13 in the other. make the bar go from the axis out to 13 to the right, and from the axis (same starting point) out to 11 on the left. Just line them up so that words of the same size are located in the same starting point on the axis. Start by drawing a vertical line (for word length), and a horizontal axis for count (how many words of that length). The horizontal axis will start from the vertical line at zero and the go off to the right and to the left, with positive numbers in each direction. Then plot the data for one set of words on the right, and the data for the other set on the left. Maybe the image below will show what I mean.
Box Plots vs. Stem Plots?
A stem-and-leaf plot is a display that organizes data to show its shape and distribution. eg. Stem.Leaf 2. 9 3. 2 9 4. 0 0 1 1 1 2 2 2 2 3 4 5 6 8 9 5. 0 6 6. 1 A stem-and-leaf plot shows the shape and distribution of data. It can be clearly seen in the diagram above that the data clusters around the row with a stem of 4. A box-and-whisker plot is a useful way to display data values. It allows people to see data and to draw conclusions as they compare two or more data sets. A box-and-whisker plot shows only certain data values. It turns all of the data into a summary that shows only five data points. The five points are the median, the upper and lower quartiles, and the smallest and greatest values in the distribution. So basically, stem plots allows you to accurately see a distribution of the figures, while a box plot tells you about the median, upper/lower quartiles, the interquartile range and the data range. You can't tell the distribution of the data in a box plot - a stem and leaf would be better in displaying it. However, you can probably get a general idea of the distribution from a box plot by looking at the quartiles.
What is the interquartile range of a stem-and-leaf plot? (More appropriately, how do you find it?)?
A stem and leaf plot is a visual way to display the frequency of data. This stem and leaf plot means that you have a data set of: 1, 2, 2, 5, 13, 14, 17, 18, 19, 19, 19, 26, 26 The number in the left column is the first digit of a number. The numbers in the right column is the second digit of a number. Your range is the largest number (26) minus your lowest number (1). Therefore, the range is 25. Now that we have our data set laid out (the line of numbers that I wrote above, which I took from the stem and leaf plot), can find our IQR. First, though, we need to find the median. The median of any set of data is the exact middle of the set. There are 13 numbers in our data set and the exact middle number is the 7th digit in our series. The 7th digit is the number 17. Therefore, the median is 17. (You may see the median referred to as the Q2 or the 50th percentile. They all are the same thing.) Now that we have the median, we can work on finding the IQR. Now, we're going to follow the same process as we did to find the median. Let's take the lower half of the series of numbers (1, 2, 2, 5, 13, 14). Note that these numbers are all to the left of the median. We now need to find the middle of this set of numbers. We do that by finding the average (or mean) of the two center numbers because this data set has an even amount of numbers. So: 2+5=7 and then 7/2=3.5 We now know that Q2 is 17 and that Q1 is 3.5. We now just need to find Q3. We're going to do the same thing as above but now with the data to the right of the median. (18, 19, 19, 19, 26, 26) We're going to find the average (mean) of the two numbers in the middle of this data set. Our two middle numbers are 19 and 19. 19+19=38. 38/2=19 Now we know: Q1 = 3.5 Q2 = 17 Q3 = 19 The formula for IQR is: Q3 - Q1. Q3 - Q1 is 19 - 3.5 which equals 15.5 If you're having trouble with a statistics course, I recommend reading The Complete Idiot's Guide to Statistics (Second Edition). It saved me and my stats grade during the three courses that I was required to take for graduate school I hope that helps!
How do I care for a money plant growing indoors in water?
Money plant ( pothos ) is one of few plants which can be directly rooted in water and may be this is the reason of its popularity among naive gardeners. Below is the step by step information of rooting money plant vine in the water.1. Select a healthy looking money plant vine. The vine which you select for taking cuttings should not be having any visible damage, infection on it.2. Make a clear, sharp cut at 45 degree angle on just above a node. ( node is the distinct visible joint on the vine from where leaves emerge)3. The cutting should have minimum 2-3 lodes on it. However in case of money plant you can have as many leaves as you want.4.4. Put the cutting in a soft drink bottle ( cut from top ) or jar filled with water. Water should be clean and clear. Avoid using dirty water as it can have harmful bacteria in it. 5.Keep the small outgrowth at nodes below the water level, these outgrowths (sometimes called nodes only) grow into roots. In 1-2 weeks roots will start developing.6.Put the above jar or bottle on shaded place where money plant gets indirect sun light.7. Keep changing water as soon as you find it turbid or better change it every week.8. If you want then add few drops of nitrate based liquid fertilizer to it.
Math help , you dont have to answer them all you can just answer the ones you know please and thank you (:?
The following set of numbers is going to be graphed on a histogram. If there are going to be six intervals in the display, what will the first interval be? 3, 19, 11, 29, 4, 6, 10, 16, 2, 21, 15, 22, 13, 9, 1, 17, 2, 26, 18, 7 0-5 1-5 0-4 1-6 Mr. Jacobs is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. The test scores are listed below. 79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85 Which of the following expressions could be used to find how many students scored less than a 90 on the test? 3 + 4 4 + 6 3 + 4 + 6 3 + 4 + 6 + 1 The following set of numbers is going to be graphed on a histogram. 3, 19, 11, 29, 4, 6, 10, 16, 2, 21, 15, 22, 13, 9, 1, 17, 2, 26, 18, 7 If there are going to be six intervals in the display, what is the length of each interval? 5 4 6 3 Mr. Jacobs is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. The test scores are listed below. 79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85 What is the mode interval of the data? 60-69 70-79 80-89 90-99 Mr. Jacobs is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. The test scores are listed below. 79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85 How many bars will his histogram have? 3 4 5 6