Age discrimination: The following table presents the numbers of employees, by age group, who were promoted, or not promoted, in a sample drawn from a certain industry during the past year.

	Age
Under 30	30 - 39	40 - 49	50 and Over
Promoted	10	14	22	13
Not promoted	32	31	41	28

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Can you conclude that the people in some age groups are more likely to be promoted than those in other age groups? Use Excel and the

=0.10

level of significance.

We (Choose one) the null hypothesis. There (Choose one) enough evidence at the

=0.10

level of significance to say that people in some age groups are more likely to be promoted.