Mathematics, 06.04.2020 19:04 carroch
An educator wanted to look at the study habits of university students. As part of the research, data was collected for three variables – the amount of time (in hours per week) spent studying, the amount of time (in hours per week) spent playing video games and the GPA – for a sample of 10 male university students. As part of the research, a 95% confidence interval for the average GPA of all male university students was calculated to be: (2.95, 3.10).
Which of the following statements is true?
a. In construction of the confidence interval, a z-value with 10 degrees of freedom was used.
b. In construction of the confidence interval, a z-value was used.
c. In construction of the confidence interval, a t-value with 10 degrees of freedom was used.
d. In construction of the confidence interval, a t-value with 9 degrees of freedom was used.
Answers: 3
Mathematics, 21.06.2019 18:00
Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.
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Mathematics, 22.06.2019 02:10
The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price
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Mathematics, 22.06.2019 02:30
Solve the compound inequality. graph your solution. 2x – 2 < –12 or 2x + 3 > 7 x < –5 or x > 5 x < –5 or x > 2 x < –12 or x > 2 x < –7 or x > 5
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An educator wanted to look at the study habits of university students. As part of the research, data...
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