Given the data below, what is the average of the difference scores? Pretest Posttest 80 89 75 75 81 92 94 56 50 64 69 78 78 4 80.6 74.4 78.4

Q: A pediatrician wants to determine the relation that may exist between a child's height and head…

A: Introduction: Consider that there are n pairs of observations of variables the x and y. The formula…

Q: scores of 40 students are listed below. Find P85.   30 35 43 44 47 48 54 55 56 57     59 62 63 65 66…

A: Given that  Arranging Observations in the ascending order, We get…

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Here we have to explain the given statement

Q: Here is a set of sample data. 38 62 20 86 92 68 81 43 52 50 78 94 42 73 44 29 22 91 16 26 18 57 47…

A: Use EXCEL Procedure to obtain the value of first quartile.   Follow the instruction to obtain the…

Q: The

A:

Q: For the 20 test scores shown, find the percentile rank for a score of 88. 72 63 92 74 86 50 77 82 98…

A:

Q: The boxplot below shows the distribution of heights of 16 undergraduate statistics students. Using…

A: we have to interperete the boxplot

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: Given data is,15, 95, 27, 36, 40, 83, 79, 8

Q: A class of eleven people received the test scores shown below, sorted by score. 32 51 69 73 74 75 82…

A: Given data set is  32,51,69,73,74,75,82,89,93,98,100 n=No. of observation=11

Q: Find the 5 number summary for the data shown. 10 21 27 35 64 81 98 13 28383 22 43 70 93 5 number…

A: We have given the data-10 13 21 22 27 28 35 43 64 70 81 93 98We have to find the 5-number…

Q: 57 72 81 30 35 43 44 47 48 54 55 56 59 62 63 65 66 68 69 69 71 72 73 74 76 77 77 78 79 80

A: sample size (n) = 30arrange data in accenbding order :…

Q: The commuting times (in minutes) of an employee for ten consecutive days are listed below. Find the…

A: Given:Date is : 71, 67, 67, 72 76, 72, 73, 68,72, 72.

Q: What is the median of these restaurant ratings? 1 1 2 2 4 4 5

A: Median is the middle value of the series. Median for the odd discrete series is given by-…

Q: A sample data consisting of 221 values is ordered in an increasing order. The median is Select one:…

A:

Q: The following items represent the number of birds observed at a given feeder over the past several…

A: We have given that,  The number of birds data is,  92, 24, 17, 54, 80, 40, 7 Then,  For the median…

Q: Construct a boxplot for the given data. Include values of the 5-number summary in all boxplots. The…

A: 25,35,43,44,47,48,54,55,56,57, 59,62,63,65,66,68,69,69,71,72, 72,73,74,76,77,77,78,79,80,81,…

Q: The following values represent the heights of 12 students (in inches) taking a math class. 72, 63,…

A: In the data set, the number of students hights are given (n) is 13.

Q: Here is a set of sample data. 72 89 51 85 12| 95 47 26 41 60 17 22 33 43 53 73 69 | 66 45 25 59 55…

A:

Q: Consider these test scores, all out of 100. They are: 61, 76, 89, 72, 65, 71, 61, 83, 45, 68, 62,…

A: Arranging the data in ascending order: 45, 59, 61, 61, 62, 65, 68, 68, 69, 71, 71, 72, 76, 83, 86,…

Q: The test scores of 30 students are listed below. Find P 17. 31 41 45 48 67 67 69 70 70 74 80 52 55…

A: The objective of the question is to find the 17th score in the list of 30 students' test scores.

Q: A data set is described as consisting of n = 15 scores. Based on the notation being used, the data…

A: We have the following statement .

Q: Each​ year, tornadoes that touch down are recorded and published. The following table gives the…

A: Given the number of tornadoes that touched down in the United States during each month of one year…

Q: Find the mean, median, and mode of the following scores.    test score…

A: Mean , Mode and Median

Q: Find the median of the following list of weights (in pounds) of Boston terriers at a pet store. 11,…

A: 11,42,15,3,21,45,71,53,8,64,35,32,54sample size(n)=13