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Q. The suitable average for averaging the shoe sizes for children is:
Q. Value of b in the trend line Y = a + bX is:
Q. If r is the simple correlation coefficient, the quantity ?2 is known as ...................
Q. If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:
Q. In regression analysis, the variable that is being predicted is the:
Q. The first three moments of a distribution about the mean are 1, 4 and 0. The distribution is:
Q. In order to compare two series we can use
Q. The measure of dispersion which uses only two observations is called:
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