please answer with the data provided The data you will be analyzing is on educational transitions for a sample of Irish schoolchildren aged 11 in 1967 Focus on the variable DVRT (Drumcondra Verbal Reasoning Test Score) only Using the data provided, answer the following questions and provide the requested analysis 1) Construct a dot plot depicting the distribution of DVRT scores in the sample 2) Based on the dot plot constructed in part (1), is it reasonable to conclude the DVRT scores follow a Normal distribution Justify your answer 3) Assume the population variance is 200 Construct a 90 Confidence Interval for the mean DVRT score in the population 4) Calculate the precision of the 90 Confidence Interval for the mean DVRT scores constructed in part (3) 5) Still assuming the population variance is 200 How many students would need to be sampled in order to achieve a precision of 1 at a level of confidence of 95 DATA VALUES 65 71 72 72 72 72 73 73 73 74 75 75 76 77 78 78 78 78 79 79 80 80 81 81 81 81 81 81 81 82 82 82 82 83 83 83 83 84 84 84 84 84 84 84 84 84 84 85 85 85 85 85 85 85 85 85 85 86 86 86 86 86 86 86 86 86 86 86 87 87 87 87 87 88 88 88 88 88 88 88 88 89 89 89 89 89 89 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 91 91 91 91 91 91 91 91 91 91 91 91 91 92 92 92 92 92 92 92 92 92 93 93 93 93 93 93 93 93 93 93 93 93 93 94 94 94 94 94 94 94 94 94 94 94 94 94 95 95 95 95 95 95 96 96 96 96 96 96 96 97 97 97 97 97 97 97 97 97 97 98 98 98 98 98 98 98 99 99 99 99 99 99 99 99 99 99 99 99 99 99 99 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 101 101 101 101 101 101 101 101 101 101 101 101 102 102 102 102 102 102 102 102 102 102 102 102 102 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 103 104 104 104 104 104 104 104 104 104 104 104 104 104 104 104 104 104 104 104 105 105 105 105 105 105 105 105 106 106 106 106 106 106 106 106 106 106 106 107 107 107 107 107 107 107 107 107 107 107 107 108 108 108 108 108 108 108 108 108 108 108 109 109 109 109 109 109 109 109 109 109 109 109 109 109 109 109 109 110 110 110 110 110 110 110 110 110 111 111 111 111 111 111 111 111 111 112 112 112 112 112 112 112 113 113 113 113 113 113 113 113 113 114 114 114 114 114 114 114 114 114 114 114 114 114 114 114 114 115 115 115 115 115 115 115 116 116 116 116 116 116 117 117 117 117 117 117 117 117 118 118 118 118 118 119 119 119 119 120 120 120 120 120 121 121 121 121 122 122 122 122 122 123 123 123 123 123 123 123 123 123 124 124 124 125 125 125 125 125 126 126 126 127 127 127 127 127 127 127 129 129 129 130 131 132 134 134 135 135 136 136 137 140

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Question: please answer with the data provided The data you will be analyzing is on educational transitions for a sample of Irish schoolchildren aged 11 in

please answer with the data provided

The data you will be analyzing is on educational transitions for a sample of Irish schoolchildren aged 11 in 1967. Focus on the variable DVRT (Drumcondra Verbal Reasoning Test Score) only. Using the data provided, answer the following questions and provide the requested analysis.

1) Construct a dot plot depicting the distribution of DVRT scores in the sample.

2) Based on the dot plot constructed in part (1), is it reasonable to conclude the DVRT scores follow a Normal distribution? Justify your answer.

3) Assume the population variance is 200. Construct a 90% Confidence Interval for the mean DVRT score in the population.

4) Calculate the precision of the 90% Confidence Interval for the mean DVRT scores constructed in part (3).

5) Still assuming the population variance is 200. How many students would need to be sampled in order to achieve a precision of 1 at a level of confidence of 95%?

DATA VALUES

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