Question
8.8 PAGE 5 (12m)A few reputable sources from 5 years ago indicated that Canadians speak an average of 1.5 languages. When n = 25 randomly
8.8PAGE 5(12m)A few reputable sources from 5 years ago indicated that Canadians speak an average of 1.5 languages. When n= 25 randomly chosen Canadians were recently surveyed, it was found they spoke an average of 1.798 languages with a standard deviation of 0.77 languages. Is there evidence that Canadians speak more languages today? Use a significance level of 5%.You may assume a normal population. Fill in and choose answers in brackets.
Summary Information: Population: Sample: Level of Significance: |
Hypotheses | Test Stat & deg freedom | P-Statement and P-value | Critical Rejection Region | Decision |
Ho: Ha: | t* = df = | (Reject, Fail to reject) Ho since p-value (<= , > ) (Reject, Fail to reject) Ho since test statistic (is, is not in) the critical rejection region | ||
At the _5_% significance level, we (have, do not have) significant evidence that Canadians speak more languages today. |
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