statistics
17. A newspaper article reported that the typical American family spent an average of $75 for
Easter candy last year. A sample of N=16 families this year reported spending a mean of
$85, with a standard deviation of $20. What hypothesis testing technique should be used to
determine whether there has been a significant change in holiday spending?
a. ttest for two independent samples
b. ttest for matched pairs
c. ztest for population mean
d. ttest for population mean
asked by
Matt

How about d? You have only one sample with a small sample size.
posted by MathGuru
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