An investigation of the compensation gains by laborers in exploration, advancement, and quality control is directed. The information in Table 15.22 gives a breakdown of the rate pay increments over a year ago of people working in these regions The investigation depends on an example of 300 men and 150 ladies haphazardly chose from among these laborers. Raises were ordered by their number worth. For instance, a raise of 5.75% is ordered in the class 2-5%. Do these information will in general help the case that there is a relationship between the rate expansion in the compensation of the laborer and the specialist's sex? Clarify, in view of the P estimation of your test. Decipher your outcome from a reasonable perspective by reviewing the information of Table 15.22.

TABLE 15.22

% expansion

<2% 2-5% 6-9% 10-13% > 14% Male 50 47 103 76 24 300 Female 21 27 50 35 17 150 450

Question 50

A new report asserts that an expanding extent of designing firms are buying risk protection. This case depends on a review of 753 designing firms. The situation with each firm is recorded for the current and for the earlier year. The information on which the case is based are appeared in Table 15.23. Do the information uphold the case? Clarify, in view of the P estimation of McNemar's test.

TABLE 15.23

This year

A year ago Guaranteed Uninsured Safeguarded 650 5 655 Uninsured 28 70 98 678 75 753

Question 51

An investigation is led of the relationship between the rate at which words are expressed and the capacity of a "talking PC to perceive orders that it is modified to acknowledge. An arbitrary example of 50 orders is spoken at a rate under each moment and the reaction of the PC is noted. Similar orders are rehashed at a pace of 6s each moment or quicker and the reaction is again noted. The information assembled are appeared in Table 15.24. Is there a distinction in the extent of orders acknowledged at the two talking speeds? Clarify, in view of the P estimation of the McNemar test.

TABLE 15.24

Rate under 60

Order Rate 60 or over acknowledged dismissed

Order acknowledged 14 Order dismissed

1

7

50

Question 52

Two kinds of coatings are being looked at for use as a rust preventive. Fifty bits of line, every one of a similar sort and size, are utilized in the hardware. A big part of each line is covered with a .5-mil layer of compound A; the other half gets a .5-mil layer of compound B. Each line is then exposed to 1000 hours of salt mist. Toward the finish of the examination a fair adjudicator thinks about the two mixtures for adequacy in forestalling rust The information accumulated are appeared in Table 15.29. Is there a distinction in the extent of lines that are considered powerful for the two mixtures? Clarify, in light of the P estimation of McNemar's test.

TABLE 15.29

A compelling powerful Yes No Yes 35 5 No 8 2

50