MATH302 D005 Fall 2023 - W1Test2

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School

Ashford University *

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Course

302

Subject

Statistics

Date

Jan 9, 2024

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pdf

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Uploaded by AdmiralRose7434

Week 1 Test - Results Attempt 2 of 2 Written Dec 9, 2023 4:57 PM - Dec 9, 2023 5:21 PM Attempt Score 18 / 20 - 90 % Overall Grade (Highest Attempt) 19 / 20 - 95 % Question 1 1 / 1 point Duration (amount of time) is what type of data in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then the resident of every eighth car in the lot around the gym was interviewed. Question 2 1 / 1 point A group of test subjects is divided into 10 groups; then 3 of the groups are chosen at random. What type of sampling is used? Qualitative Quantitative Continuous Quantitative Disrete Cluster Convenience

Question 3 1 / 1 point The first 65 people who walk into a sports bar are polled on their television preferences. What type of sampling was used? Question 4 1 / 1 point An Excel generates 200 random numbers, and 200 people whose names correspond with the numbers on the list are chosen. What type of sampling was used? Question 5 1 / 1 point What was the sampling method that was used in the scenario? A study was done to determine the age, the number of times per week, and the duration (amount of time) of residents using a local gym in San Antonio, Texas. The first car in the parking lot was selected randomly, and then Stratified Systematic Simple Random Convenience Systematic Stratified Cluster Convenience Systematic Simple Random Stratified Cluster

the resident of every eighth car in the lot around the gym was interviewed. Question 6 1 / 1 point An APU instructor is interested in the mean number of days an APU statistic students are absent from class during a quarter. X = number of days an APU statistic students are absent from class during a quarter. In this case, X is an example of : Question 7 1 / 1 point A Priest is interested in the proportion of couples who stay married after he marries them. Identify the sample: Question 8 1 / 1 point simple random cluster systematic stratified data a statistic population a variable all the couples the priest marriages a subgroup of couples the priest marriages the proportion of the sample of the priest's couples who stay married the proportion of all couples who stay married

A local polling chapter is interested in the mean age of people who voted in the last election. They want to use this information to help get more people of all ages out to vote. Identify the sample. Question 9 1 / 1 point the population mean age of people who voted a subgroup of these voters all people who have voted the sample mean age of people who voted in the last election Forbes magazine published data on the best small firms in 2012. These were firms which had been publicly traded for at least a year, have a stock price of at least $5 per share, and have reported annual revenue between $5 million and $1 billion. The table below shows the ages of the chief executive officers for the first 73 ranked firms. Age FrequencyRelative FrequencyCumulative Relative Frequency 40-44 4 45-49 3 50-54 15 55-59 20 60-64 21 65-69 8

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