b. Find the standard deviation of the reading scores. (Type an integer or a decimal. Round to two decimal places.)
b. Find the standard deviation of the reading scores. (Type an integer or a decimal. Round to two decimal places.)
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Problem 1P
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Please help me with the Standard Deviation. Thank you.
![Reading scores. The grade-level reading scores from a reading test given to a random sample of 12 students in
an urban high school graduating class are:
7
8
12
7
14
14
13
11
15
12
14
15
a. Find the mean of the reading scores. 11.83
(Type an integer or a decimal. Round to two decimal places.)
b. Find the standard deviation of the reading scores.
(Type an integer or a decimal. Round to two decimal places.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf87f2e5-9dc6-40a8-a671-7dc06cda6841%2F7d4e22bc-86c8-44b9-846e-7cf1e14d50fc%2F3uz7zl4_processed.png&w=3840&q=75)
Transcribed Image Text:Reading scores. The grade-level reading scores from a reading test given to a random sample of 12 students in
an urban high school graduating class are:
7
8
12
7
14
14
13
11
15
12
14
15
a. Find the mean of the reading scores. 11.83
(Type an integer or a decimal. Round to two decimal places.)
b. Find the standard deviation of the reading scores.
(Type an integer or a decimal. Round to two decimal places.)
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