Example 3 For the following distribution find the median: 120 121 122 123 124 125 X: 4 14 21 22

Q: Students in a statistics class took their second test. The following are the scores they earned.…

A: The given information is about the scores.Let X denote the test scores.

Q: Using 10 classes construct a frequency distribution.

A: Here given that final grades (in terms of percentages) from a class of 20 students. No of class = 10…

Q: Social interactions in a​ week: x 6 7 15 19 22 27 33 36 44 46     Number of college​ students: f 15…

A:

Q: A meteorologist records the high temperature for a particular day in various locations. The data is…

A:

Q: Here are the test scores for 40 introductory statistics students: 87 70 81 94 66 | 63 | 80 77 75 88…

A: Given : Total observations (n) = 40 87 70 92 66 63 80 77 81 94 81 69 75 88 97 93 84 88 92 87…

Q: 4. For the following set of data: 9 9 9 9 10 10 10 10 12 14 14 14 15 15 16 18 18 20 24 24 48 70 Are…

A: Given data, 8,9,9,9,9,10,10,10,10,12,12,14,14,14,15,15,16,18,18,20,20,24,24,48,70 Are there…

Q: For the stem-and-leaf plot below, find the range of the data set. Key: = 2|727   Stem Leaves 1 3…

A: Given the stem and leaf plotstemLeaves1|352|1667892|677889993|111234453|66678894|08Find the range of…

Q: emplot to display the data and describe the distribution of the data. The data represents scores on…

A: here data score is given we have to male stem and leaf plot fir the given data here the data…

Q: : Q1:A: construct the distribution table for the following data represents fuel expenditures in…

A: Here we have to construct the distribution table.sample size(n)=30

Q: For the following set of scores: 30 69 41 51 36 53 60 24 55 44 61 25 74 63 55 13 42 56 54 49 a. I…

A: The given scores are 30, 69, 41, 51, 36, 53, 60, 24, 55, 44, 61, 25, 74, 63, 55, 13, 42, 56, 54, 49.

Q: find the mean for the following set of scores 2 7 9 4 5 3 0 6

A: The formula for calculating the mean is, The sum of  set of scores is,

Q: (5 points) the table below shows the number of books the Jefferson Middle school students read each…

A: Given that  Using excel descriptive statistics

Q: x Y 5 1 4 1 3 2 2 3 1 4

A: The median is the middle number is an ordered set of data. Add 1, 1, 2, 3 and 4 is the values of Y.…

Q: 225 50 50 250 250 300 375 425 65 500 500 500 115 175 175 500 2500 3000 85 100 49 234 50 55 55 a.…

A: From the provided information, a) The mean of the data can be obtained as:

Q: Based on the following frequency distribution, what percent of students had a grade of 49 or less?…

A: Given information- We have given the frequency distribution. We have to find the percent of students…