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1. In order to assess the effects of exercise on reducing cholesterol, a researcher sampled fifty people from a local gym who exercised regularly and fifty people from the surrounding community who did not exercise regularly. They all reported to a clinic to have their cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of whether or not subjects exercised regularly. This is a) an observational study c) a double blind experiment b) an experiment, but not a double blind one d) a block design 2. A small college has 500 male and 600 female undergraduates. A simple random sample of 50 of the male undergraduates is selected, and, separately, a simple random sample of 60 of the female undergraduates is selected. The two samples are combined to give an overall sample of 110 students. The overall sample is a) a simple random sample. c) a multistage sample. b) a stratified random sample. d) all of the above. 3. A simple random sample of 500 Westmont college students were polled to predict the percent of Westmont students who smoke cigarettes. The sample showed that 14% of those polled smoke cigarettes. The number 14% is a a) sample c) statistic b) parameter d) response variable 4. A marketing research firm wishes to determine if the adult men in Laramie, Wyoming, would be interested in a new upscale men's clothing store. From a list of all residential addresses in Laramie, the firm selects a simple random sample of 100 and mails a brief questionnaire to each. The sample in this survey is a) all adult men in Laramie, Wyoming. c) the members of the marketing firm who actually conducted the survey. d) the 100 addresses the survey was mailed to. b) all residential addresses in Laramie, Wyoming.

1. In order to assess the effects of exercise on reducing cholesterol, a researcher sampled fifty people from a local gym who exercised regularly and fifty people from the surrounding community who did not exercise regularly. They all reported to a clinic to have their cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of whether or not subjects exercised regularly. This is a) an observational study c) a double blind experiment b) an experiment, but not a double blind one d) a block design 2. A small college has 500 male and 600 female undergraduates. A simple random sample of 50 of the male undergraduates is selected, and, separately, a simple random sample of 60 of the female undergraduates is selected. The two samples are combined to give an overall sample of 110 students. The overall sample is a) a simple random sample. c) a multistage sample. b) a stratified random sample. d) all of the above. 3. A simple random sample of 500 Westmont college students were polled to predict the percent of Westmont students who smoke cigarettes. The sample showed that 14% of those polled smoke cigarettes. The number 14% is a a) sample c) statistic b) parameter d) response variable 4. A marketing research firm wishes to determine if the adult men in Laramie, Wyoming, would be interested in a new upscale men's clothing store. From a list of all residential addresses in Laramie, the firm selects a simple random sample of 100 and mails a brief questionnaire to each. The sample in this survey is a) all adult men in Laramie, Wyoming. c) the members of the marketing firm who actually conducted the survey. d) the 100 addresses the survey was mailed to. b) all residential addresses in Laramie, Wyoming.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1. In order to assess the effects of exercise on reducing cholesterol, a researcher sampled fifty people from a local gym who exercised regularly and fifty people from the surrounding community who did not exercise regularly. They all reported to a clinic to have their cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of whether or not subjects exercised regularly. This is a) an observational study c) a double blind experiment b) an experiment, but not a double blind one d) a block design 2. A small college has 500 male and 600 female undergraduates. A simple random sample of 50 of the male undergraduates is selected, and, separately, a simple random sample of 60 of the female undergraduates is selected. The two samples are combined to give an overall sample of 110 students. The overall sample is a) a simple random sample. c) a multistage sample. b) a stratified random sample. d) all of the above. 3. A simple random sample of 500 Westmont college students were polled to predict the percent of Westmont students who smoke cigarettes. The sample showed that 14% of those polled smoke cigarettes. The number 14% is a a) sample c) statistic b) parameter d) response variable 4. A marketing research firm wishes to determine if the adult men in Laramie, Wyoming, would be interested in a new upscale men's clothing store. From a list of all residential addresses in Laramie, the firm selects a simple random sample of 100 and mails a brief questionnaire to each. The sample in this survey is a) all adult men in Laramie, Wyoming. c) the members of the marketing firm who actually conducted the survey. d) the 100 addresses the survey was mailed to. b) all residential addresses in Laramie, Wyoming.
Transcribed Image Text:1. In order to assess the effects of exercise on reducing cholesterol, a researcher sampled fifty people from a local gym who exercised regularly and fifty people from the surrounding community who did not exercise regularly. They all reported to a clinic to have their cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of whether or not subjects exercised regularly. This is a) an observational study c) a double blind experiment b) an experiment, but not a double blind one d) a block design 2. A small college has 500 male and 600 female undergraduates. A simple random sample of 50 of the male undergraduates is selected, and, separately, a simple random sample of 60 of the female undergraduates is selected. The two samples are combined to give an overall sample of 110 students. The overall sample is a) a simple random sample. c) a multistage sample. b) a stratified random sample. d) all of the above. 3. A simple random sample of 500 Westmont college students were polled to predict the percent of Westmont students who smoke cigarettes. The sample showed that 14% of those polled smoke cigarettes. The number 14% is a a) sample c) statistic b) parameter d) response variable 4. A marketing research firm wishes to determine if the adult men in Laramie, Wyoming, would be interested in a new upscale men's clothing store. From a list of all residential addresses in Laramie, the firm selects a simple random sample of 100 and mails a brief questionnaire to each. The sample in this survey is a) all adult men in Laramie, Wyoming. c) the members of the marketing firm who actually conducted the survey. d) the 100 addresses the survey was mailed to. b) all residential addresses in Laramie, Wyoming.
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