The Chi-squared Test

IMPORTANT

The Chi-squared Test: Overview

This topic covers concepts, such as, Chi-squared Test etc.

Important Questions on The Chi-squared Test

MEDIUM
IMPORTANT

The disparity between observed and expected data is due to chance or due to a relationship between the variables can be identified by the Chi-Square test.

HARD
IMPORTANT

A company is preparing invoices to send to their customers. Before they are sent, they are checked and the daily number of mistakes found over a two-week period are recorded.

  Week 1 Week 2
  M Tu W Th F M Tu W TH F
Errors 29 17 13 15 22 26 16 25 18 19
Test, at the 5% level of significance, whether a uniform distribution is a good-fit model.

EASY
IMPORTANT

Cotyledons are also called-