8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

Here is a set of data. 11 126 192 442 466 508 556 589 660 715 807 823 832 998 Identify the 5 number summary (min, Q1, median, Q3, max)

64 34 34 50 41 56 64 xᵢ 54 40 42 61 63 64 35 40 32 47 45 56 One of the observations (xᵢ) is left blank.       The sample mean is  x̅ = 47.25 Find the missing number.   31 The sample variance is_________. a 150.758     b 157.039     c 163.583     d 170.399

Sample grade point averages for ten male students and ten female students are listed. Find the coefficient of variation for each of the two data sets. Then compare the results. Males 2.3 3.8 3.9 3.7 2.6 2.4 3.6 3.2 3.9 1.8 Females 2.7 3.6 2.2 3.9 3.7 4.2 1.9 3.9 3.6 2.1 ... The coefficient of variation for males is %. (Round to one decimal place as needed.) The coefficient of variation for females is %. (Round to one decimal place as needed.) Compare the variability of grade point averages of males and females. Choose the correct answer below. O A. The grade point averages of females and males have the same variation. O B. The grade point averages of males are more variable than females. O C. The grade point averages of females and males do not vary. O D. The grade point averages of females are more variable than males.

Lessoon7 Q7. A burette is scaled incorrectly (irregularly) such that it gives vastly different results from measurement to measurement. This is an example of ________________. A.sampling variability B.bias C.sufficiency D.consistency

1.) The Test Statistic for this data. (Round answer to 3 decimal places). 2.) The p-value for this sample. (Round answer to 4 decimal places).

Full data set 3. The data to the right represent the number of chocolate chips per cookie in a random sample of a name brand and a store brand. Complete parts (a) to (c) below. Name Brand Store Brand 22 29 24 22 28 23 25 22 17 28 24 35 32 28 33 27 23 31 26 28 15 24 23 21 (a) Draw side-by-side boxplots for each brand of cookie. Label the boxplots "N" for the name brand and "S" for the store brand. Choose the correct answer below. O A. OB. OC. N- S- 30 40 40 (b) Does there appear to be a difference in the number of chips per cookie? O A. Yes. The store brand appears to have more chips per cookie. O B. Yes. The name brand appears to have more chips per cookie. O C. No. There appears to be no difference in the number of chips per cookie. O D. There is insufficient information to draw a conclusion. (c) Does one brand have a more consistent number of chips per cookie? O A. Yes. The store brand has a more consistent number of chips per cookie. B. No. Both brands have roughly the same number…