# Question

The following is a random sample of the I.Q.’s of husbands and wives: 108 and 103, 104 and 116, 103 and 106, 112 and 104, 99 and 99, 105 and 94, 102 and 110, 112 and 128, 119 and 106, 106 and 103, 125 and 120, 96 and 98, 107 and 117, 115 and 130, 101 and 100, 110 and 101, 103 and 96, 105 and 99, 124 and 120, and 113 and 116. Test at the 0.05 level of significance whether husbands and wives are on the average equally intelligent in the population sampled using the signed-rank test based on

(a) Table X

(b) The results of Theorem 16.1.

Theorem 16.1

Under the assumptions required by the signed- rank test, T+ is a value of a random variable with the mean

And the Variance

(a) Table X

(b) The results of Theorem 16.1.

Theorem 16.1

Under the assumptions required by the signed- rank test, T+ is a value of a random variable with the mean

And the Variance

## Answer to relevant Questions

An operation consists of two steps, of which the first can be made in n1 ways. If the first step is made in the ith way, the second step can be made in n2i ways. (a) Use a tree diagram to find a formula for the total number ...On August 31 there are five wild-card terms in the American League that can make it to the play-offs, and only two will win spots. Draw a tree diagram which shows the various possible play-off wild-card teams. In Example 1.4 we showed that a true–false test consisting of 20 questions can be marked in 1,048,576 different ways. In how many ways can each question be marked true or false so that (a) 7 are right and 13 are wrong; (b) ...An examination designed to measure basic knowledge of American history was given to random samples of freshmen at two major universities, and their grades were Use the U test at the 0.05 level of significance to test the ...The following are the numbers of defective pieces produced by a machine on 50 consecutive days: 7, 14, 17, 10, 18, 19, 23, 19, 14, 10, 12, 18, 19, 13, 24, 26, 9, 16, 19, 14, 19, 10, 15, 22, 25, 24, 20, 9, 17, 28, 29, 19, 25, ...Post your question

0