# math

posted by .

A researcher is performing a hypothesis test. The null hypothesis is that μ=10 and the alternative hypothesis is that μ<10. A sample of 18 individuals was collected and the t-based test statistic calculated from the data was -2.105. What is the approximate p-value for this hypothesis test?

## Similar Questions

1. ### statistics

The researcher wanted to test the hypothesis that Ho: μ=3, knowing the population, which was normal, had a variance of 1.00. -- How powerful would this test be against the alternative hypothesis that Ha: μ=4, given that n=15, …
2. ### STATS

Given a sample size of 18, with sample mean 660.3 and sample standard deviation 95.9 we are to perform the following hypothesis test. Null Hypothesis H0: ƒÊ = 700 Alternative Hypothesis H0: ƒÊ ‚ 700 At significance level 0.05 …
3. ### stat

If you test the (one sample) null hypothesis that the population proportion p ¡Ü 0.3 and you get the test statistic value of z = -0.98, then using a 5% ignificance level, Question 18 options: the alternative hypothesis looks believable. …
4. ### Statistics

are the following statements, Ho:=10 and Ha:equal to or less than, a valid pair of null and alternative hypothesis?
5. ### Stats

A statistical test is performed, and its P-value turns out to be about 3%. Which of the following must be true?
6. ### Statistics

A statistical test is performed, and its P-value turns out to be about 3%. Which of the following must be true?
7. ### statistics

It is known that the population mean for the Quantitative section of the GRE is 500, with a standard deviation of 100. In 2006, a sample of 400 students taking the GRE, whose family income was between \$70,000 and \$80,000, had a quantitative …
8. ### statistics

A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics …
9. ### statistics

A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics …
10. ### statistics

In performing a hypothesis test, the null hypothesis is population mean = 6.9 and the alternative hypothesis is population mean ≠ 6.9, a random sample of 16 items is selected. The sample mean is 7.1 and the sample standard deviation …

More Similar Questions