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3 Find the t-value for an area 0.001 in the right tail of t-distribution with a sample of 10.

3 Find the t-value for an area 0.001 in the right tail of t-distribution with a sample of 10.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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1. Give 2 difference between normal distribution and t-distribution. 2. Suppose a population has mean 100. Then we get a sample of 10 cases and the mean of this sample is 120 and standard deviation 16. Find the t - score if the sample is 10 cases. ( includes solution) 3. Find the t-value for an area 0.001 in the right tail of t-distribution with a sample of 10. 4. Find the t-value for an area 0.025 in the left tail of t-distribution with 14 degrees of freedom. 5. Find the area to the right of 1.323 under at-distribution with 19 degrees of freedom. 6. Rowena wants to test a randomly selected 20 students for her study. Identify the t-value of the following percentiles. a) 75th percentile b) 15th percentile c) 99th percentile
Transcribed Image Text:1. Give 2 difference between normal distribution and t-distribution. 2. Suppose a population has mean 100. Then we get a sample of 10 cases and the mean of this sample is 120 and standard deviation 16. Find the t - score if the sample is 10 cases. ( includes solution) 3. Find the t-value for an area 0.001 in the right tail of t-distribution with a sample of 10. 4. Find the t-value for an area 0.025 in the left tail of t-distribution with 14 degrees of freedom. 5. Find the area to the right of 1.323 under at-distribution with 19 degrees of freedom. 6. Rowena wants to test a randomly selected 20 students for her study. Identify the t-value of the following percentiles. a) 75th percentile b) 15th percentile c) 99th percentile
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