Which method is used to calculate the standard error for the difference between two proportions?

Stratified sampling is beneficial when the population consists of easily identifiable groups with different characteristics.

Why is probability sampling considered the best method?

The “sheet_name” parameter in the “pd.read_excel(FileName.xlsx, sheet=’2019′)” function defaults to reading all sheets if not specified.

In polynomial regression, what does the degree of the polynomial represent?

How do you calculate the probability of being between two values in a normal distribution?

A Bar chart is a good representation when both variables are numerical.

In a linear regression model, what does the slope of the line represent?

What percentage of your grade is based on participation?  Enter your answer as a percentage without the “%” sign (e.g. 10% would be entered as 10).

Allen is on the football team this year, but he has poor time management skills. His mother told him that he is off the team if he fails anything in school. On his first math quiz, he earned a 88, then he earned an 84 and an 80 on his next two quizzes. If his grades continue at this rate, what will his quiz grade be on the 8th quiz? Will he still be on the team?