SAT College

The t statistic for a test of

H0:μ=20

HA:μ<20
based on n = 10 observations has the value t = -1.32.

(a) What are the degrees of freedom for this statistic?
(b) Using the appropriate table in your formula packet, bound the p-value as closely as possible:

Answers

Answer 1

Answer: the answer is b Using the appropriate table in your formula packet, bound the p-value as closely as possible

Explanation:

hope this helps :)

Answer 2

The degrees of freedom for this statistic are 9 and by using he appropriate table in your formula packet, bound the p-value as closely as possible is 0.025 < p-value < 0.05.

What is degree of freedom?

Degree of freedom is defined as an essential component of statistical calculations that estimate or draw conclusions about population parameters from sample data. The number of independent data points used to calculate an estimate is referred to as the degree of freedom of the estimate. It's not exactly the same as the sample's sample size. The number of independent values that can change in an analysis without violating any constraints is indicated by the degrees of freedom (DF) in statistics.

The left tailed test is used here.

Degrees of freedom

(a) equal 10 - 1 = 9

(b) P-value = P(t 9 - 2.15),

Which equals 0.03 0.025 and a p-value of 0.05.

Thus, the degrees of freedom for this statistic are 9 and by using he appropriate table in your formula packet, bound the p-value as closely as possible is 0.025 < p-value < 0.05.

To learn more about degrees of freedom, refer to the link below:

https://brainly.com/question/16254305

#SPJ2

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