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The graph of the waiting time (in seconds) at a red light is shown below on the left with its mean and standard deviation. Assume that a sample size of 225 is drawn from the population. Decide which of the graphs labeled (a)-(c) would most closely resemble the sampling distribution of the sample means. Explain your reasoning. (a) 3 *P(x) 0.04- 126 -8.3 Time (in sec.) Q Q C 0.04.10 (x) Q d.-12.6 Q -1.2 C Time (in sec.) (b) AP(x) 0.55- a=0.84 -18.3 Time (in sec) Q Q (c) 0.04.JP(x) -12.6 Time (in sec.) Graph most closely resembles the sampling distribution of the sample means, because : =.=, and the graph (Type an integer or a decimal.) Q Q L approximates a normal curve is the same shape as the graph for the original distribution

The graph of the waiting time (in seconds) at a red light is shown below on the left with its mean and standard deviation. Assume that a sample size of 225 is drawn from the population. Decide which of the graphs labeled (a)-(c) would most closely resemble the sampling distribution of the sample means. Explain your reasoning. (a) 3 *P(x) 0.04- 126 -8.3 Time (in sec.) Q Q C 0.04.10 (x) Q d.-12.6 Q -1.2 C Time (in sec.) (b) AP(x) 0.55- a=0.84 -18.3 Time (in sec) Q Q (c) 0.04.JP(x) -12.6 Time (in sec.) Graph most closely resembles the sampling distribution of the sample means, because : =.=, and the graph (Type an integer or a decimal.) Q Q L approximates a normal curve is the same shape as the graph for the original distribution

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
Section: Chapter Questions
Problem 22SGR
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The graph of the waiting time (in seconds) at a red light is shown below on the left with its mean and standard deviation. Assume that a sample size of 225 is drawn from the population. Decide which of the graphs labeled (a)-(c) would most closely resemble the sampling distribution of the sample means. Explain your reasoning. (a) *P(x) 0.04- 0=12.6 1= 8.3 I 50 Time (in sec.) Q 0.04- -40 P(x) Q G-= 12.6 =1.2 40 Time (in sec.) (b) -AP (X) 0.55- -=0.84 I U-18.3 0 Time (in sec.) Rel. frequency 50 Q Graph ✔most closely resembles the sampling distribution of the sample means, because μ = (Type an integer or a decimal.) (c) ↑P(x) 0.04- -20 G-= 12.6 H=18.3 50 Time (in sec.) and the graph Q Q approximates a normal curve is the same shape as the graph for the original distribution
Transcribed Image Text:The graph of the waiting time (in seconds) at a red light is shown below on the left with its mean and standard deviation. Assume that a sample size of 225 is drawn from the population. Decide which of the graphs labeled (a)-(c) would most closely resemble the sampling distribution of the sample means. Explain your reasoning. (a) *P(x) 0.04- 0=12.6 1= 8.3 I 50 Time (in sec.) Q 0.04- -40 P(x) Q G-= 12.6 =1.2 40 Time (in sec.) (b) -AP (X) 0.55- -=0.84 I U-18.3 0 Time (in sec.) Rel. frequency 50 Q Graph ✔most closely resembles the sampling distribution of the sample means, because μ = (Type an integer or a decimal.) (c) ↑P(x) 0.04- -20 G-= 12.6 H=18.3 50 Time (in sec.) and the graph Q Q approximates a normal curve is the same shape as the graph for the original distribution
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