Test the mean difference for siginificance using the 05

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Reference no: EM13612179

The scores on a (hypothetical) vocabulary test of a group of 20 year olds and a group of 60 year olds are shown below:

20 yr olds	60 yr olds
27	26
26	29
21	29
24	29
15	27
18	16
17	20
12	27
13

a. Test the mean difference for siginificance using the .05 level.

b. List the assumptions made in computing your answer.

Reference no: EM13612179

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