If you wish to examine if the observed average of 11 grams statistically the sam

Question

If you wish to examine if the observed average of 11 grams statistically the same as the machine-designed weight of 10 grams, which of the following accurately states the null hypothesis that you wish to test? H_1: mu = 11 H_o: mu = 11 H_1: mu = 10 H_0: mu = 10 none of the above Which test statistic would you use? Z-value t -value F-value Chi-square value none of the above Assuming that you are to test the following hypothesis using the above information and a critical Z-value approach at a 5% significance level, H_0: mu = 10.5 vs. H_1: mu notequalto 10.5 you would find the calculated Z-value, Z_c, to be ____ and the critical (or table) Z-value to be ____. 0.33; 1.96 0.33: 1.645 1.67; 1.96 1.67; 1.645 1.96; 1.96 If the absolute value of the calculated Z-value is greater than the critical (or table) Z-value, your conclusion would be ______. accept the null hypothesis reject the null hypothesis. fail to reject the null hypothesis only (a) and (c) of the above none of the above

Explanation / Answer

27)option d

28)z value test option a

29)critical value of z=1.96 but value of std deviation is required, which might be in above part

30)option b is coorect

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