Unit 8 Lesson 3 Calculator Commands Chi Squared

A student wants to test the hypothesis that favorite car color is independent of gender. He shows people pictures of the same car in 5 different colors, and records their preference. How many degrees of freedom will there be in his $$\chi^2$$  test

What is the

χ² _calculated value for the following situation.

Chi-squared tests are invalid if:

(choose all that apply)

A random sample of traffic tickets given to motorists in a large city is examined. The tickets are classified according to the race of the driver. The results are summarized in the table provided. Assuming H₀ is true, the expected number of Hispanic drivers who would receive a ticket is

The shape of the Chi-Square distribution is ___.

Mrs. Hock asks her class what their favorite ice cream flavor is. She wonders if the flavors are equally represented. The table shows the observed values. What should be the H₀ and the H_A?

Mrs. Hock asks her class what their favorite ice cream flavor is. She wonders if the flavors are equally represented. The table shows the observed values. What is the Chi Square statistic?