Provide an appropriate response.A population consists of 100 professional gymnasts and 100 professional basketball players. For this group, the average height is 70 inches. However, most of the gymnasts are between 57 and 61 inches tall while most of the basketball players are between 78 and 82 inches tall. For this group, observations far from the mean are more common than observations close to the mean. Describe what a boxplot for the heights of this group would look like. Discuss, in particular, the lengths of the whiskers relative to the width of the box and explain your reasoning.
What will be an ideal response?
Answers will vary. Possible answer: For this data, the whiskers will be very short relative to the width of the box since the first and third quartiles will be far apart.
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Solve the problem.Suppose that = 5. Find
and
.
A. 5; -5 B. 2; 5 C. 0; 5 D. 0; -5
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B.
C. 0
D. -4
Find the inverse using composition.f(x) = 4x - 5
A. f-1(x) = + 5
B. f-1(x) =
C. f-1(x) =
D. Not invertible
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. The linear model for this data is where x is the number of hours spent in the lab and y is grade on the test. Use this model to predict the grade of a student who spends 12 hours in the lab. Number of hours spent in labGrade (percent)
A. 68.7 B. 66.3 C. 76.6 D. 62.3