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Asked: Jan 23,2019In: Hypothesis testing

A manufacturer produces plastic golf tees, The injector molder produces golf tees that are designed to have an average height of 63 mm.

null-hypothesis statistical-tests statistical-error
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2694 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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3955 Stats
Asked: Jan 23,2019In: Hypothesis testing

A report states that the cost of repairing a hybrid vehicle, is falling even while typical repairs on conventional vehicles are getting more expensive

hypothesis-testing statistical-tests statistics homework
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3955 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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3071 Stats
Asked: Jan 23,2019In: Hypothesis testing

According to a University of wildlife ecology and conservation researcher, the average level of mercury uptake in wading birds in a region

hypothesis-testing statistical-tests Type-I and Type II error
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3071 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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2431 Stats
Asked: Jan 23,2019In: Hypothesis testing

The final scores of games of a certain sport were compared against the final point spreads established by oddsmakers.

statistical-conclusion statistical-tests
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2431 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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2561 Stats
Asked: Jan 23,2019In: Hypothesis testing

If, in a hypothesis test, the p-value is 0.0152, what is your statistical decision if you test the null hypothesis at the 0.08 level of significance?

statistical-tests alpha alpha-in-statistics probability-calculation
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2561 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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2379 Stats
Asked: Jan 23,2019In: Hypothesis testing

If a hypothesis test were conducted using a=0.10, for which of the following p-values would the null hypothesis be rejected?

p-value statistical-tests statistical-alpha
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2379 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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3866 Stats
Asked: Jan 23,2019In: Hypothesis testing

The manager of a paint supply, store wants to determine whether the mean amount of paint contained in 1-gallon cans purchased

statistical-tests hypothesis-testing
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3866 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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2467 Stats
Asked: Jan 23,2019In: Hypothesis testing

The director of a state agency believes that the average starting salary for clerical employees in the state is less than $31,000 per year.

alternative-hypothesis statistical-tests null-hypothesis
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2467 Stats
Asked: Jan 23,2019 In: Hypothesis testing
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3415 Stats
Asked: Jan 24,2019In: Hypothesis testing

Suppose data collected by observers at randomly selected intersections across the country revealed that in a sample of 400 drivers

hypothesis-testing statistical-tests
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3415 Stats
Asked: Jan 24,2019 In: Hypothesis testing
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3367 Stats
Asked: Jan 24,2019In: Confidence intervals

A team of researchers analyzed the meat from each in a sample of 17 "red snapper" fish fillets purchased from vendors across a region

test-of-propportions hypothesis statistical-tests
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3367 Stats
Asked: Jan 24,2019 In: Confidence intervals
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