Question 36. After having made a decision on the test at the significance of a = 0.05, the most appropriate conclusion in the context of research is (A) The population mean cardboard measurements is significantly greater than the population mean metal measurements. (B) The population mean cardboard measurements is not significantly greater than the population mean metal measurements. (C) The population mean cardboard measurements is exactly the same as the population mean metal measurements. (D) There is not any significant difference between the population mean cardboard and metal measurements of head sizes. (E) There is a significant difference between the population mean cardboard and metal measurements of head sizes. Questions 37-38. The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales representatives make an average of 40 sales calls per week on professors. Several representatives say that this estimate is too low. To investigate, a random sample of 8 sales representatives reveals that the mean number of calls made last week was 42. The standard deviation of the sample is 2.1 calls. Using the significance level of a = 0.01, can we conclude that the mean number of calls per representative per week is more than 40? To do the above test, a researcher performed two analyses using Minitab with relevant outputs below. Analysis I: One-Sample Z Descriptive Statistics 99% Lower Bound N Mean SE Mean 8 42.000 0.742 mean of Sample Known standard deviation = 2.1 Analysis II: One-Sample T Descriptive Statistics N 8 42.000 2.100 mean of Sample Mean StDev SE Mean 0.742 for μ Z-Value P-Value 40.273 2.69 0.004 99% Lower Bound Question 37. To do the above test of hypothesis, which one of the following will be the appropriate null and alternative hypothesis. (A) H₁: μ-40 vs H₁: μ#40 for T-Value P-Value 39.774 2.69 0.015 (C) H₁: = 40 vs H₁: >40 (E) None of the above (B) H₁: μ= 40 vs H₁: μ>40 (D) Ho: μ=0 vs Η: μ # 0 Η: #0
Question 36. After having made a decision on the test at the significance of a = 0.05, the most appropriate conclusion in the context of research is (A) The population mean cardboard measurements is significantly greater than the population mean metal measurements. (B) The population mean cardboard measurements is not significantly greater than the population mean metal measurements. (C) The population mean cardboard measurements is exactly the same as the population mean metal measurements. (D) There is not any significant difference between the population mean cardboard and metal measurements of head sizes. (E) There is a significant difference between the population mean cardboard and metal measurements of head sizes. Questions 37-38. The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims that the sales representatives make an average of 40 sales calls per week on professors. Several representatives say that this estimate is too low. To investigate, a random sample of 8 sales representatives reveals that the mean number of calls made last week was 42. The standard deviation of the sample is 2.1 calls. Using the significance level of a = 0.01, can we conclude that the mean number of calls per representative per week is more than 40? To do the above test, a researcher performed two analyses using Minitab with relevant outputs below. Analysis I: One-Sample Z Descriptive Statistics 99% Lower Bound N Mean SE Mean 8 42.000 0.742 mean of Sample Known standard deviation = 2.1 Analysis II: One-Sample T Descriptive Statistics N 8 42.000 2.100 mean of Sample Mean StDev SE Mean 0.742 for μ Z-Value P-Value 40.273 2.69 0.004 99% Lower Bound Question 37. To do the above test of hypothesis, which one of the following will be the appropriate null and alternative hypothesis. (A) H₁: μ-40 vs H₁: μ#40 for T-Value P-Value 39.774 2.69 0.015 (C) H₁: = 40 vs H₁: >40 (E) None of the above (B) H₁: μ= 40 vs H₁: μ>40 (D) Ho: μ=0 vs Η: μ # 0 Η: #0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Question 36. After having made a decision on the test at the significance of a = 0.05, the most
appropriate conclusion in the context of research is
(A) The population mean cardboard measurements is significantly greater than the population mean
metal measurements.
(B) The population mean cardboard measurements is not significantly greater than the population mean
metal measurements.
(C) The population mean cardboard measurements is exactly the same as the population mean metal
measurements.
(D) There is not any significant difference between the population mean cardboard and metal
measurements of head sizes.
(E) There is a significant difference between the population mean cardboard and metal measurements of
head sizes.
Questions 37-38. The Rocky Mountain district sales manager of Rath Publishing Inc., a college
textbook publishing company, claims that the sales representatives make an average of 40 sales calls per
week on professors. Several representatives say that this estimate is too low. To investigate, a random
sample of 8 sales representatives reveals that the mean number of calls made last week was 42. The
standard deviation of the sample is 2.1 calls. Using the significance level of a = 0.01, can we conclude
that the mean number of calls per representative per week is more than 40? To do the above test, a
researcher performed two analyses using Minitab with relevant outputs below.
Analysis I: One-Sample Z
Descriptive Statistics
99% Lower Bound
N Mean SE Mean
8 42.000
0.742
mean of Sample
Known standard deviation = 2.1
Analysis II: One-Sample T
Descriptive Statistics
N
8 42.000 2.100
mean of Sample
Mean StDev SE Mean
0.742
for μ Z-Value P-Value
40.273
2.69 0.004
99% Lower Bound
Question 37. To do the above test of hypothesis, which one of the following will be the appropriate null
and alternative hypothesis.
(A) H₁: μ-40 vs H₁: μ#40
for T-Value P-Value
39.774 2.69 0.015
(C) H₁: = 40 vs H₁: >40
(E) None of the above
(B) H₁: μ= 40 vs H₁: μ>40
(D) Ho: μ=0 vs Η: μ # 0
Η:
#0
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