7. Specify the level of measurement used for the items in Question 6.
8. Which of the following are linear transformations?
Converting from meters to kilometers
Squaring each side to find the area
Converting from ounces to pounds
Taking the square root of each person's height.
Multiplying all numbers by 2 and then adding 5
Converting temperature from Fahrenheit to Centigrade
9. The formula for finding each student’s test grade (g) from his or her raw score (s) on a test is as follows: g = 16 + 3s
Is this a linear transformation?
If a student got a raw score of 20, what is his test grade?
10. For the numbers 1, 2, 4, 16, compute the following:
ΣX
ΣX2
(ΣX)2
11. Which of the frequency polygons has a large positive skew? Which has a large negative skew?
A.
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B.
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C.
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12. What is more likely to have a skewed distribution: time to solve an anagram problem (where the letters of a word or phrase are rearranged into another
