10.1.31 – Adult Citizens on Economic Conditions
MyStatLab
Pearson
Given the results of a poll on economic conditions… figure out if it supports the media outlet’s claim.
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10.1.40.T – A Billing Company Collects Bills for Doctor’s Offices
MyStatLab
Pearson
A billing co. is concerned about rising % of bills paid for by insurance. They give you a historical % and the results from a poll as ask if there is evidence of a change. Parts a-e.
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10.1.42.T – Polling Org Found % People Concerned Global Warming
MyStatLab
Pearson
They tell you a polling co-found a certain % concerned about Global Warming and give you sample data, then ask parts a-e about hypothesis test.
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10.1.49.T – Company Criticized for Executive Women Proportion
MyStatLab
Pearson
They tell you about a co being criticized because few women executives. They give you a % and alpha and ask hypothesis questions, z, p, etc.
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10.1.63.T – A Stats Prof Observed Withdraws
MyStatLab
Pearson
They talk about some stats prof using software to lower the withdraw rate. They give you the sample data and ask for the hypothesis, test statistic, p-value, and decision. Experts Have Solved This Problem Please login or register to access this content.
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11.1.25-T – Gasoline Prices Confidence Interval
MyStatLab
Pearson
Given statistics of the price of gasoline taken from a sample… determine the confidence interval in three different scenarios.
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11.1.3 – High Cholesterol Levels
MyStatLab
Pearson
They give you the percent of adults that have high cholesterol, the average cholesterol levels, the standard deviation, and the number in the sample, and ask you to calculate the mean and the standard deviation of the sample distribution.
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11.1.31T – Parking Garage Fees
MyStatLab
Pearson
Given the sample size, the daily average, and the standard deviation… construct a confidence interval.
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11.1.4 T – High Cholesterol Probabilities Normal Distribution
MyStatLab
Pearson
Given the percent of adults with high cholesterol, the average and standard deviation of cholesterol levels, and the sample size… calculate the probability of the mean cholesterol of the sample to be in four different scenarios.
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11.1.47 – Electricity From Wind Turbine
MyStatLab
Pearson
Given the average wind speeds, how often it is recorded, the total readings, the average speed, and the standard deviation… determine if all conditions are met and then calculate a confidence interval.
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