Short Answer
A random sample of 30 infants (age 12 months) was selected and given a Motoric Development test. The mean score for the sample was at the 13.20 month level. The estimated standard error of the mean was 1.25. Estimate whether the mean test age of the sample could be representative of a population whose mean test age is 12 months. 113
Correct Answer:

Verified
t=.960, Fa...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q69: The concept of the standard error of
Q70: The estimated standard error of the mean
Q71: For the following set of sample scores,
Q72: A researcher is interested in evaluating a
Q73: For a given value for the sample's
Q75: The alpha level specifies the probability of
Q76: The techniques of inferential statistics are based
Q77: Other things being equal, increasing the sample
Q78: When alpha is set at .05 and
Q79: A researcher is interested in evaluating a