A sample of 13 children has a mean IQ of 112 and a standard deviation of 15. Is it likely that this could be a random sample from a population whose mean is known to be 113.5?
A) Yes, it is likely that a random sample mean could deviate that much from a population mean.
B) No, a random sample mean could not deviate that much from a population mean.
C) No, the calculations are incorrect.
D) The question cannot be answered on the basis of the information given.
Correct Answer:
Verified
Q1: Null hypotheses are used in statistics because:
A)
Q3: One type of null hypothesis is:
A) an
Q4: The purpose of inferential statistics is:
A) to
Q5: An assumption basic to all inferential statistics
Q6: A sampling distribution is:
A) a distribution of
Q7: The inference test used when both variables
Q8: The determination of statistical significance of a
Q9: Establishing a 95% confidence interval enables a
Q10: The standard deviation of a sampling distribution
Q11: If p <.01, a researcher would:
A) accept
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents