8.3 Section Exercise 10 Question 21 of 23 (10 points) View problem in a pop up T

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8.3 Section Exercise 10 Question 21 of 23 (10 points) View problem in a pop up The National Novel Writing Association states that the average novel is at least 50,000 words. A particularly ambitious writing club at a college preparatory high school had randomly selected members with works of the following lengths. At a -0.01, is there sufficient evidence to conclude that the mean length is greater than 50,000 words? Assume that the population is approximately normally distributed. A 49,414 52,266 49,466 50,870 49,497 52,337 49,063 50,461 Download data Part I State the hypotheses and identify the claim with the correct hypothesis. Ho:50,000 not claim HI: ? 1> 1, 50,000 | |clam This hypothesis test is a one- tailed test. Part 2 out of 5 Find the critical value. Round the answer to three decimal places. Critical value is this

Explanation / Answer

Part - 2:

Degrees of freedom = n - 1 = 8 - 1 = 7

For 7 Df and 0.01 level of significance,

Critical value = 2.998

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