Assume that a firm has selected a random sample of 100 items from its production line and has obtained the data shown in table below : Class-Interval Frequency Class-Interval Frequency 130-134 150-154...


Assume that a firm has selected a random sample of 100 items from its production<br>line and has obtained the data shown in table below :<br>Class-Interval<br>Frequency<br>Class-Interval<br>Frequency<br>130-134<br>150-154<br>19<br>135-139<br>12<br>155-159<br>12<br>140-144<br>21<br>160-164<br>145-149<br>28<br>Total<br>100<br>Compute the following:<br>(a) the arithmetic mean; (b) the standard deviation; (c) Karl Pearson's Coefficient of Skewness.<br>

Extracted text: Assume that a firm has selected a random sample of 100 items from its production line and has obtained the data shown in table below : Class-Interval Frequency Class-Interval Frequency 130-134 150-154 19 135-139 12 155-159 12 140-144 21 160-164 145-149 28 Total 100 Compute the following: (a) the arithmetic mean; (b) the standard deviation; (c) Karl Pearson's Coefficient of Skewness.

Jun 10, 2022
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