Question

(a) Interpret the following values of
coefficient of correlation : r = -1, r -- 1,
= 0.
(c)
(b) Median is same with which quartile of
a distribution ?
Name the distribution which is
represented graphically by a smooth,
bell shaped curve and is perfectly
symmetrical
(d) Level of significance (a) is related to
which type of error in hypothesis
testing
(e) Which statistical technique is designed
to test whether the means of more than
2 quantitative populations are equal
based on sample means ?​

Answer 1

Answer:

D=Any decision made based on a hypothesis test may be incorrect. ... The probability of the type I error (a true null hypothesis is rejected) is commonly called the significance level of the hypothesis test and is denoted by α. The probability of a type II error (a false null hypothesis is not rejected) is denoted by β

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