6. a. In statistics, there is a formula for the lower fence in a b ox-and. whisker plot Find the lower fence when IQR 33 and Q1 60. xμ b. Another formula in statistics is for z-scores: z= - Find the z-score associated with x 85, μ 100, σ 15.

5. Suppose that 25 students in a science class took a test. Using the box-and-whisker plot of the test scores below, answer the following questions. A. Determine whether the statement is true (T) or false (F). Science Test Scores a) The mean of the scores is 81. b) The mean of the scores is 78.6. c) About 50% of the students received a score of 81. d) More than 50% of the students received a score above 73. 54 73 81 90 95 + 40 50 60 70 80 90 100 GFreemathresource.com Answer: a) b) c) d) B. If a student received a score of 10 instead of 54, would it more heavily influence the mean or the median? Мean Median C. If a student received a score of 10 instead of 54, the standard deviation would be most likely: Smaller Larger Little Changed

The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) Second Quiz (Q2) 10 7 17 15 18 18 19 16 21 18 23 23 24 23 25 25 Plot the points in the grid below, then sketch a line that best fits the data. 32- Q2 28 24 20 16 12 Q1 12 16 20 24 28 32 in Clear All Draw: Use the line above to predict the value of the second quiz score if a student had a score of 22 on the (Please enter a whole number) first test. 4.

2.7 - a. Write a few short sentences that compare the center and the spread for each dot plot. b. Based on this sample, cereals from which manufacturer tend to have no variation in calories?

If you recieved the data set {9, 16, 10, 20, X} and you knew the median was 15, what could you say about X? O 10 < X < 18 OX = 14 O11 < X < 17 OX = 15 ONone of the above.