A sample of 120 creative artists is used to test whether creative artists are eq

Question

A sample of 120 creative artists is used to test whether creative artists are equally likely to have been born under any of the twelve astrological signs. Assuming that the twelve astrological signs each contain an equal number of calendar days, the expected frequency for each category equals

a) 5 b) 10 c) 12 d) 120

A sample of 120 creative artists are used to test whether creative artists are equally likely to have been born under any of the twelve astrological signs. This test can described as a

a) one-variable chi square with 119 degrees of freedom. b) one-variable chi square with 11 degrees of freedom.

c) two-variable chi square with 119 degrees of freedom. d) two-variable chi square with 11 degrees of freedom.

In the two-variable case for chi-square, the null hypothesis makes a statement about the

     a) equality of population proportions.

     b) shape of the population distribution.

     c) absence of a relationship between qualitative variables.

     d) presence of a relationship between population variables.

Explanation / Answer

Solution:-

1) option B. 10

Explanation:- 120/12 = 10

2) option c) two-variable chi square with 119 degrees of freedom

3) option    d) presence of a relationship between population variables.

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