. "On the Standford-Binet test, the mean IQ is 100. A class of 7 kindergarten pupils were tested with a resulting mean of 103 and a standard deviation of 5.28. Does this group have a mean significantly different than the norm group? Use 0.1 as your level of significance." a. "No, I am 100% sure that they are within the norm value." b. "Yes, however, the class is lower than the norm, on average" c. "Yes, in fact the class is above the norm, on average." d. It is safe to assume that they are within the norm unless additional evidence say otherwise

. "On the Standford-Binet test, the mean IQ is 100. A class of 7 kindergarten pupils were tested with a resulting mean of 103 and a standard deviation of 5.28. Does this group have a mean significantly different than the norm group? Use 0.1 as your level of significance." a. "No, I am 100% sure that they are within the norm value." b. "Yes, however, the class is lower than the norm, on average" c. "Yes, in fact the class is above the norm, on average." d. It is safe to assume that they are within the norm unless additional evidence say otherwise

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

3. "On the Standford-Binet test, the mean IQ is 100. A class of 7 kindergarten pupils were tested with a resulting mean of 103 and a standard deviation of 5.28. Does this group have a mean significantly different than the norm group? Use 0.1 as your level of significance."
a. "No, I am 100% sure that they are within the norm value."
b. "Yes, however, the class is lower than the norm, on average"
c. "Yes, in fact the class is above the norm, on average."
d. It is safe to assume that they are within the norm unless additional evidence say otherwise.

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