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Week 7 statistics questions

Answer the following questions:
QUESTION 1
Sheila took a test and received a raw score of 86. The sample of scores has a mean of 78 and a standard deviation of 4.
Convert Sheila?s raw score into a Z score
Note: Enter only the numeral answer. Do not use decimals points for whole numbers such as 2. Use decimal points for numbers that are not whole such as 2.5
QUESTION 2
Sheila took a test and received a raw score of 86. The sample of scores has a mean of 78 and a standard deviation of 4.
Shelia’s Z score can be interpreted as meaning:
Sheila scored far above average on the test.
Sheila scored far lower than average on the test.
Sheila scored about average on the test
QUESTION 3
Sheila took a test and received a raw score of 86. The sample of scores has a mean of 78 and a standard deviation of 4.
Convert Sheila?s Z score into a T score with a mean of 50 and a standard deviation of 10?
Note: Enter only the numeral answer. Do not use decimals points for whole numbers such as 2. Use decimal points for numbers that are not whole such as 2.5
QUESTION 4
Sheila took a test and received a raw score of 86. The sample of scores has a mean of 78 and a standard deviation of 4.
Convert Sheila?s Z score to a standard IQ distribution with a mean of 100 and a standard deviation of 15.

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