Author Question: With symmetric, bell-shaped distributions, approximately what percent of the observations are within ... (Read 65 times)

yoooooman · **on:** Jun 24, 2018

With symmetric, bell-shaped distributions, approximately what percent of the observations are within two standard deviations of the mean?
a. 50
b. 68
c. 95
d. 99.7
e. 100

Question 2

The coefficient of determination ___________________ _ for degrees of freedom takes into account the sample size and the number of independent variables when assessing model fit.
Fill in the blank(s) with correct word