Chi-Square Test of Homogeneity

In 1974, each acre of the Tahoe basin was assessed to see what condition the soil was in.  23% of acres were of type I, 32% were of type II, 41% were of type III, and 16% were of type IV.  This year the region was assessed again and the number of each type were again determined.

• Chi-square Goodness of Fit Test
• Chi-Square Test for Homogeneity
• Chi-Square Test for Independence/Association
• Not a Chi-square test

Tags

CCSS.HSS.ID.B.5

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

Is the distribution of music that Californians listen to the same as that of Nevadans?  900 Californians and 600 Nevadans were surveyed.

• Chi-square Goodness of Fit Test
• Chi-Square Test for Homogeneity
• Chi-Square Test for Independence/Association
• Not a Chi-square test

Tags

CCSS.HSS.ID.B.5

CCSS.HSS.IC.A.1

Do people on computers and people on handhelds use the same Internet search engines?  1000 web searches from a computer and 1500 web searches from a hand held were tracked to see what search engine was used.

• Chi-square Goodness of Fit Test
• Chi-Square Test for Homogeneity
• Chi-Square Test for Independence/Association
• Not a Chi-square test

Tags

CCSS.HSS.ID.B.5

CCSS.HSS.CP.A.4

CCSS.HSS.IC.B.3

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

Is Gender a factor in a person’s favorite fruit?  400 men and 500 women were asked what their favorite fruit is to see if the distribution of favorite fruit is the same for men and women.

• Chi-square Goodness of Fit Test
• Chi-Square Test for Homogeneity
• Chi-Square Test for Independence/Association
• Not a Chi-square test

Tags

CCSS.HSS.ID.B.5

CCSS.HSS.CP.A.4

If you want to see if the color distribution of skittles matches want the companies claim is, which test should you use?

• chi-square test for homogeneity
• chi-square test for independence
• chi-square GOF test
• chi-square LFHS test

Tags

CCSS.HSS.IC.B.3

How many degrees of freedom will be present?

• 4
• 5
• 6
• 7

Tags

CCSS.HSS.ID.A.3

What are the expected counts of a female who likes Pepsi?

• 10.5
• 11
• 14.5
• 6.3

Tags

CCSS.HSS.MD.A.2

What are the degrees of freedom for the following χ² test?

• 6
• 2
• 5
• 36

Tags

CCSS.HSS.CP.A.4