Use the accompanying 200 Los Angeles commute times to test the claim that the mean Los Angeles commute time is less than 32 minutes. Assume that a simple random sample has been selected. Use a 0.10 significance level. Compare the sample mean to the claimed mean of 32 minutes. Is the difference between those two values statistically significant? 45 10 30 30 20 50 15 15 20 25 45 13 40 20 45 15 15 50 25 10 45 15 10 5 15 60 30 20 20 25 15 42 20 45 40 60 15 20 5 70 10 45 35 12 60 30 30 7 10 30 10 60 60 35 30 45 10 30 60 10 20 45 20 25 55 15 20 12 10 48 5 25 45 30 90 30 25 20 30 10 25 30 20 90 30 20 15 15 8 30 25 7 20 30 60 30 10 20 5 25 20 40 60 20 25 15 90 141 5 20 20 35 45 30 40 40 30 10 45 60 60 25 15 5 7 25 60 60 60 30 15 15 50 90 10 30 25 20 20 20 30 15 30 5 35 10 40 45 30 10 40 30 45 30 20 40 141 20 40 25 10 20 15 40 15 35 30 60 25 10 5 30 15 60 15 60 30 30 45 15 45 25 10 30 10 15 30 10 28 30 10 30 10 28 15 30 35 45 20 30 Identify the null and alternative hypotheses. H0: ▼ sigmaσ muμ pp ▼ equals= greater than> not equals≠ less than< enter your response here H1: ▼ sigmaσ pp muμ ▼ equals= less than< not equals≠ greater than> enter your response here (Type integers or decimals. Do not round.) Part 2 Identify the test statistic. enter your response here (Round to two decimal places as needed.) Part 3 Identify the P-value. enter your response here (Round to three decimal places as needed.) Part 4 State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. ▼ Reject Accept Fail to reject the null hypothesis. There ▼ is not is sufficient evidence at the 0.10 significance level to ▼ warrant rejection of support the claim that the mean Los Angeles commute time is less than 32 minutes. Part 5 The sample mean is enter your response here minute(s) ▼ less than greater than the claimed mean of 32 minutes; this difference ▼ is is not statistically significant by the standard of this test. (Round to one decimal place as needed.)

Use the accompanying 200 Los Angeles commute times to test the claim that the mean Los Angeles commute time is less than 32 minutes. Assume that a simple random sample has been selected. Use a 0.10 significance level. Compare the sample mean to the claimed mean of 32 minutes. Is the difference between those two values statistically significant? 45 10 30 30 20 50 15 15 20 25 45 13 40 20 45 15 15 50 25 10 45 15 10 5 15 60 30 20 20 25 15 42 20 45 40 60 15 20 5 70 10 45 35 12 60 30 30 7 10 30 10 60 60 35 30 45 10 30 60 10 20 45 20 25 55 15 20 12 10 48 5 25 45 30 90 30 25 20 30 10 25 30 20 90 30 20 15 15 8 30 25 7 20 30 60 30 10 20 5 25 20 40 60 20 25 15 90 141 5 20 20 35 45 30 40 40 30 10 45 60 60 25 15 5 7 25 60 60 60 30 15 15 50 90 10 30 25 20 20 20 30 15 30 5 35 10 40 45 30 10 40 30 45 30 20 40 141 20 40 25 10 20 15 40 15 35 30 60 25 10 5 30 15 60 15 60 30 30 45 15 45 25 10 30 10 15 30 10 28 30 10 30 10 28 15 30 35 45 20 30 Identify the null and alternative hypotheses. H0: ▼ sigmaσ muμ pp ▼ equals= greater than> not equals≠ less than< enter your response here H1: ▼ sigmaσ pp muμ ▼ equals= less than< not equals≠ greater than> enter your response here (Type integers or decimals. Do not round.) Part 2 Identify the test statistic. enter your response here (Round to two decimal places as needed.) Part 3 Identify the P-value. enter your response here (Round to three decimal places as needed.) Part 4 State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. ▼ Reject Accept Fail to reject the null hypothesis. There ▼ is not is sufficient evidence at the 0.10 significance level to ▼ warrant rejection of support the claim that the mean Los Angeles commute time is less than 32 minutes. Part 5 The sample mean is enter your response here minute(s) ▼ less than greater than the claimed mean of 32 minutes; this difference ▼ is is not statistically significant by the standard of this test. (Round to one decimal place as needed.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Part 2

Identify the test statistic.

enter your response here

(Round to two decimal places as needed.)

Part 3

Identify the P-value.

enter your response here

(Round to three decimal places as needed.)

Part 4

State the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim.

▼

Reject

Fail to reject

the null hypothesis. There

▼

is not

sufficient evidence at the

0.10

significance level to

▼

warrant rejection of

support

the claim that the mean Los Angeles commute time is less than

minutes.

Part 5

The sample mean is

enter your response here

minute(s)

▼

less than

greater than

the claimed mean of

minutes; this difference

▼

is not

statistically significant by the standard of this test.

(Round to one decimal place as needed.)

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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