For the numerical questions below, express your answers in four decimal places.
Suppose a data set of 33 observations has a sample mean of -111.1 and a sample standard deviation of 36. Assume we are interested in whether the data is statistically different from -121 at the 5% level of significance.
A) What is the distribution of the test statistic?
Student-t distributionNormal distributionUniform distribution Binomial DistributionNone of the above
B) What is the value of the test statistic?
Answer:
C) What are the critical values?
Lower Value is:
Higher Value is:
Please answer all parts of the question.