Self-Quiz Unit 2

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University of the People *

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1281

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Statistics

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Nov 24, 2024

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Self-Quiz Unit 2 Started on Tuesday, 28 November 2023, 5:20 PM State Finished Completed on Tuesday, 28 November 2023, 5:20 PM Time taken 12 secs Grade 0.00 out of 10.00 ( 0 %) Question 1 Not answered Marked out of 1.00 Flag question Question text A hypothesis is a statement about the value of a population parameter. Question 1Select one: True False Feedback The correct answer is 'True'. Question 2 Not answered Marked out of 1.00 Flag question Question text When P ̂ can be modelled using a normal distribution, what is the form of the confidence interval for p? Question 2Answer a. P ̂ + z* x SE b. P ̂ - z* x SE c.

P ̂ z* x SE Feedback Your answer is incorrect. The correct answer is: P ̂ z* x SE Question 3 Not answered Marked out of 1.00 Flag question Question text Match the graph to the corresponding hypothesis test: Question 3Answer a. H 0 : p = null value and H A : p≠ null; the sided hypothesis tests b. H 0 : p = null value and H A : p < null; the sided hypothesis tests c. H 0 : p = null value and H A : p > null; the sided hypothesis tests Feedback Your answer is incorrect. The correct answer is: H 0 : p = null value and H A : p > null; the sided hypothesis tests Question 4 Not answered

Marked out of 1.00 Flag question Question text Assuming all conditions are met for the difference of two sample proportions to be modeled using a normal distribution, what is the standard error of Question 4Answer a. b. c. Feedback Your answer is incorrect. The correct answer is: Question 5 Not answered Marked out of 1.00 Flag question Question text What is the standard error (SE) for a sample proportion ( P ̂ ) that is nearly normal? Question 5Answer a. b.

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