23) the speed of a car on a Boston tollway during rush hour traffic A) discrete

Question

23) the speed of a car on a Boston tollway during rush hour traffic A) discrete B) continuous 24) the number of phone calls to the police department on any given day 24 A) continuous B) discrete 25) the age of the oldest employee in the data processing department A) discrete B) continuous 26) the number of pills in an aspirinbottle A) continuous B) discrete Provide an appropriate response 27 The peak shopping time at a pet store is between 8-11:00 am on Saturday mornings. Management 27) at the pet store randomly selected 130 customers last Saturday morning and decided to observe their shopping habits. They recorded thenumber of items that a sample of the customers purchased as well as the total time the customers spent in the store. Identify the types of variables recorded by the pet store. A) number of items discrete; total time discrete B) number of items continuous; total time continuous C) number of items discrete: total time continuous D) number of items continuous; total time discrete Determine the sampling technique which is used. 28) Thirty-five math majors, 43 music majors and 26 history majors are randomly selected from 496 280 math majors, 278 music majors and 336 history majors at the state university. What sampling technique is used? A) convenience B) stratified C random D) cluster E) systematic 29) Every fifth adult entering an airport is checked for extra security screening. What sampling 29 technique is used A) stratified B) random CO cluster DO convenience E) systematic 30) At a local technical school, five auto repair classes are randomly selected and all of the students 30 from each class are interviewed. What sampling technique is used? A) stratified B) convenience C) systematic D) random E) cluster

Explanation / Answer

Solution:-

23) option B) continuous

24) option B) discrete

25) option B) continuous.

26) option B) discrete.

27) option C) number of items - discrete; total time - continuous.

28) option B) Stratified

29) option E) systematic

30) option E) cluster

31) option D) stratified

32) option C) cluster

33) option A) convenience

34) option E) random

35) option D) random

36) option C) convenience

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