Question 1 [25]
Namibia Car Dealers wants to determine the number of defects pernew car. Suppose you are asked to conduct the quality survey forcars, suppose you sampled 30 new cars and following data on numberof defects per car were recorded.
0 1 1 2 1 0 2 3 2 1 0 4 3 1 1 0 2 0 0 2 3 0 2 0 2 0 3 1 0 2 a)Compute the sample mean number of defects per car [2] b) Computethe sample standard deviation [5] c) Compute the standard error ofmean, assuming that ?? and s are equal to ? and ? respectively [2]d) Compute the probability that number of defects per car more than1.5 [5] e) Draw the distribution in d. [3] f) Compute theprobability that that number of defects per is between 1 and 2 [5]g) Draw the distribution in d. [3] vQuestion 1 [25]
Namibia Car Dealers wants to determine the number of defects pernew car. Suppose you are asked to conduct the quality survey forcars, suppose you sampled 30 new cars and following data on numberof defects per car were recorded.
0 1 1 2 1 0 2 3 2 1 0 4 3 1 1 0 2 0 0 2 3 0 2 0 2 0 3 1 0 2 a)Compute the sample mean number of defects per car [2] b) Computethe sample standard deviation [5] c) Compute the standard error ofmean, assuming that ?? and s are equal to ? and ? respectively [2]d) Compute the probability that number of defects per car more than1.5 [5] e) Draw the distribution in d. [3] f) Compute theprobability that that number of defects per is between 1 and 2 [5]g) Draw the distribution in d. [3] vQuestion 1 [25]
Namibia Car Dealers wants to determine the number of defects pernew car. Suppose you are asked to conduct the quality survey forcars, suppose you sampled 30 new cars and following data on numberof defects per car were recorded.
0 1 1 2 1 0 2 3 2 1 0 4 3 1 1 0 2 0 0 2 3 0 2 0 2 0 3 1 0 2 a)Compute the sample mean number of defects per car [2] b) Computethe sample standard deviation [5] c) Compute the standard error ofmean, assuming that ?? and s are equal to ? and ? respectively [2]d) Compute the probability that number of defects per car more than1.5 [5] e) Draw the distribution in d. [3] f) Compute theprobability that that number of defects per is between 1 and 2 [5]g) Draw the distribution in d. [3] vQuestion 1 [25]
Namibia Car Dealers wants to determine the number of defects pernew car. Suppose you are asked to conduct the quality survey forcars, suppose you sampled 30 new cars and following data on numberof defects per car were recorded.
0 1 1 2 1 0 2 3 2 1 0 4 3 1 1 0 2 0 0 2 3 0 2 0 2 0 3 1 0 2 a)Compute the sample mean number of defects per car [2] b) Computethe sample standard deviation [5] c) Compute the standard error ofmean, assuming that ?? and s are equal to ? and ? respectively [2]d) Compute the probability that number of defects per car more than1.5 [5] e) Draw the distribution in d. [3] f) Compute theprobability that that number of defects per is between 1 and 2 [5]g) Draw the distribution in d. [3] Question 1 [25]
Namibia Car Dealers wants to determine the number of defects pernew car. Suppose you are asked to conduct the quality survey forcars, suppose you sampled 30 new cars and following data on numberof defects per car were recorded.
0 1 1 2 1 0 2 3 2 1 0 4 3 1 1 0 2 0 0 2 3 0 2 0 2 0 3 1 0 2 a)Compute the sample mean number of defects per car [2] b) Computethe sample standard deviation [5] c) Compute the standard error ofmean, assuming that ?? and s are equal to ? and ? respectively [2]d) Compute the probability that number of defects per car more than1.5 [5] e) Draw the distribution in d. [3] f) Compute theprobability that that number of defects per is between 1 and 2 [5]g) Draw the distribution in d. [3] Question 1 [25]
Namibia Car Dealers wants to determine the number of defects pernew car. Suppose you are asked to conduct the quality survey forcars, suppose you sampled 30 new cars and following data on numberof defects per car were recorded.
0 1 1 2 1 0 2 3 2 1 0 4 3 1 1 0 2 0 0 2 3 0 2 0 2 0 3 1 0 2 a)Compute the sample mean number of defects per car [2] b) Computethe sample standard deviation [5] c) Compute the standard error ofmean, assuming that ?? and s are equal to ? and ? respectively [2]d) Compute the probability that number of defects per car more than1.5 [5] e) Draw the distribution in d. [3] f) Compute theprobability that that number of defects per is between 1 and 2 [5]g) Draw the distribution in d. [3]