The following table gives the average number of hours 7 junior high students were left unsupervised each day and their corresponding overall grade averages Hours Unsupervised Overall Grades 0 0.5 96 88 1 84 Calculate the coefficient of determination, R2. Round your answer to three decimal places. 1.5 2.5 3.5 5.5 76 72 68 64 Cop

Q: Find the 5 number summary for the data shown 5 13 20 33 53 65 73 76 81 91 100 5 number summary: 0000

A: Five-number summaryA five-number summary consists of these five statistics:the minimum,Q1 (the first…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Given,Total no.of students=50

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: From the given information, # of courses Frequency Relative Frequency=frequency/Total frequency…

Q: Find the mean for this list of numbers 59 24 96 37 93 44 73 85 47 20 98 6 84 51 42

A: We will find the mean for this list of numbers: 59 24 96 37 93 44 73 85 47 20 98 6 84…

Q: Calculate x¯ (x-bar) for the data shown, to two decimal places x 13.6 6.5 8.6 8 21.5

A: 13.6 6.5 8.6 8 21.5 Sample size n =5

Q: Jessica counts how many customers have come into her restaurant for the past 30 days.  The table…

A: frequency distribution

Q: sales manager would like to see his sales representative’s unit sales per month. The secretary was…

A: The data is as below 5, 6, 8, 10, 10, 14, 15, 16, 16, 17, 17, 18, 19, 21, 21, 23, 26, 27, 28, 28,…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Frequency is the number of times an observation occur in the data set and relative Frequency is the…

Q: A local car dealership keeps records of complaints received from its customers. Complaints for last…

A: A local car dealership keeps records of complaints received from its customers. Complaints for last…

Q: Find the 5 number summary for the data shown x 10.5 11.7 13.9 15 15.1 15.7 16.9 24.3 27 27.5

A: The five number summary includes: 1) The minimum 2) The first quartile, Q1 3) Median 4) The third…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: The table is:

Q: 50 part-time students were asked how many courses they were taking this term. are shown below: # of…

A: a. The number of values corresponding to a class or observation is defined as the frequency of that…

Q: find mean of the data  52 54 75 45 12 27 16

A:

Q: Exam scores for 29 students are shown below. Calculate the percentile for a student whose exam score…

A: 54,55,57,59,64,64,68,68,69,70,71,72,73,74,74,78,80,84,85,90,90,92,92,93,93,95,97,98,100sample…

Q: Find the 5 number summary for the data shown 9 21 27 28 38 50 54 58 66 92 93

A:

Q: Use the scatterplot of Vehicle Registrations below to answer the questions Vehicle Registrations in…

A: Given,     equation of  regression line is-                                              y(x) =…

Q: 0 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Given information: It was stated that part-time students were asked how many courses they were…

Q: The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the…

A: Coefficient of Variation :  The Coefficient of Variation (CV) is a typical measure of variation,…

Q: Find the 5 number summary for the data shown 14 24 25 41 45 48 62 68 76 83 88 92 93 5 number…

A: Obtain the values of five number summary.   The values of five number summary is obtained below as…

Q: heights needed.) Enter your answer in the answer box and then click Check Ans 2 parts 以8 d

A: Coefficient of variation is defined as the ratio of the standard deviation to its mean expressed in…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: It is given that the sum of frequencies is 50. Then, the blank in the column of frequency is…

Q: A 20-minute consumer survey mailed to 500 adults aged 25-34 included a $5 Starbucks gift…

A: Given: Total adults = 500 A 20-minute consumer survey mailed to 500 adults aged 25-34 included a $5…

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: a. The frequency of a class or observation is the number of values corresponding to it.

Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

A: Given,Total no.of students=50

Q: Extrapolate the business done in 2018 from the following data : 2014 2013 2015 2016 2017 Year :…

A: Given the data of Businesses done from year 2013 to 2017. We need to predict the Businesses done in…

Q: The ages (in years) and heights (in inches) of all pitchers for a baseball team are listed. Find the…

A: Given height weight 71 27 74 25 71 25 82 26 80 24 77 27 74 29 80 29 79 29 72…

Q: A first-semester freshman student took classes with associated grades as indicated in the table.…

A:

Q: 4. Calculate your current grade if you have earned the following scores. Express the current grade…

A: The grades are given.

Q: Find the 5 number summary for the data shown X 3.6 4.8 14.8 17.3 18.1 22.2 22.8 24.5 5 number…

A:

Q: Find the following for the data shown: 1 5 14 17 30 31 39 44 49 55 74 86 94 100 What is the…

A: We have tó find given percentile.

Q: The value of a certain car when it was brand new with 0 mileage was $17,000 but the value dropped to…

A: The given scatter plot is a linear and it's slope is negative. Given that, at zero miles the value…

Q: Calculate the percentile for a student whose exam score is 81. Round your answer to the nearest…

A: 50,57,58,60,60,64,66,67,67,70,72,75,75,75,79,80,83,83,83,86,87,87,88,89,95,96,96,99sample size(n)=28

Q: Find the 5 number summary for the data shown 14 24 25 41 45 48 62 68 76 83 88 92 93 5 number…

A: 14, 25 ,45, 62, 76, 88, 93, 24, 41, 48, 68, 83, 92

Q: E Click the icon to view the data sets. CVneights =U% (Round to one decimal place as needed.) Data…

A: Heights (X) Ages (Y) (X-xbar)^2 (y-ybar)^2 76 25 1.173611 11.67361 71 28 15.34028 0.173611 75…

Q: y 1 3 5 6 10 9 a. Draw a scatter diagram for the data. Should the value of r be positive or…

A: It is given that the data of two random variables X and Y in tabulation form.

Q: For the data set below, find the IQR. 65 74 74 71 67 72 61 71 60 78 78 Send data to Excel 60 065 74…

A: