d the sample variance and the sample standard deviation for the given data: Christine got the following scores on her most recent six college astronomy quizzes. 11 36 29 14 50 64

Which of the following  percentiles represents the median of a data set? Select one: a. 100th b. 25th c. 50th d. 75th

Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follows: # of movies      Frequency0                       51                       92                       63                      44                      1Table 2.83 a. Find the sample mean x¯.b. Find the approximate sample standard deviation, s

Find the percentile of the sample data 20 and 37.

Calculate the range, variance and standard deviation for the following sample data. Scores: 10, 7, 9, 1, 2, 0, 6​

Find the median and lower quartile of the number of wins of the Mariners for 6 years.  Years and wins below: 2010/2011/2012/2013/2014/2015 71      61        72      86      89       95 A) Find the median. Show work. B) Find the lower quartile. Show work.

Find the variance for the following data  72,62,52,45 Round to three decimal places

A sales manager recorded the number of sales made by each of the 300 salespeople working athis chain of furniture outlet stores on a Saturday and created the following table.# Sales (bins) Proportion of salespeople in this bin0 – 3 0.053 – 6 0.156 – 9 0.30 9 – 12 0.3512 -15 0.15a. What is the unit of observation in this sample?b. What is the variable collected?c. Draw and label the histogram for this dataset.d. Which is the modal category?e. Calculate the proportion of the salespeople made 9 or more sales.f. Calculate the number of salespeople who made between 0 and 9 sales.

An instructor wanted to know if his students are better at math or writing. He had students take both a math and then a writing test and he compared the results using SPSS. He found the following results: ( look at graphs )  a. What test was done?b. Report results in APA style.

Marc takes a random sample of 14 dogs from the local animal shelter and weighs them. He obtains the following data: 9 25 32 40 41 45 47 50 53 53 62 79 94 106 What is the median for this data?