The following nine observations were drawn from a normal population: 9 20 24 23 29 21 17 27 (i) Test the null hypothesis H0: m = 26 against the alternative hypothesis Ha: m < 26. At what level of significance can H0 be rejected? (ii) At what level of significance can H0 : m = 26 be rejected when tested against Ha : m < 26

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The following nine observations were drawn from a normal population:
9 20 24 23 29 21 17 27
(i) Test the null hypothesis H0: m = 26 against the alternative hypothesis Ha: m <
26. At what level of significance can H0 be rejected?
(ii) At what level of significance can H0 : m = 26 be rejected when tested against
Ha : m < 26 

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