Author Question: A sample of students who have taken a calculus test has a mean score of 78.2, a mode of 67, and a ... (Read 89 times)

moongchi · **on:** Jul 24, 2018

A sample of students who have taken a calculus test has a mean score of 78.2, a mode of 67, and a median score of 67 . Based on this information, the distribution of test scores is:
a. symmetric
b. right skewed
c. left skewed
d. bimodal
e. none of these

Question 2

The Student's t-distribution is distributed symmetrically about its mean, and approaches the standard normal distribution as the number of degrees of freedom increases.
Indicate whether the statement is true or false