Three sizes of Hondas are imported and sold in the Jamaica. The sizes are small, medium and large. A study was undertaken to find out whether the sales of each type of car is equally liked by the Jamaican consumers. Annual sales in hundreds of thousands for each type of car were randomly selected. The table below shows the data for the random sample of sales: Type of Car Small Medium Large 50. 45 60 65 35 42 Annual sales of cars 36 56 40 65 53 36 46 35 67 56 20 86
Three sizes of Hondas are imported and sold in the Jamaica. The sizes are small, medium and large. A study was undertaken to find out whether the sales of each type of car is equally liked by the Jamaican consumers. Annual sales in hundreds of thousands for each type of car were randomly selected. The table below shows the data for the random sample of sales: Type of Car Small Medium Large 50. 45 60 65 35 42 Annual sales of cars 36 56 40 65 53 36 46 35 67 56 20 86
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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Question
Using the following image, please assist with the following:
a. Prepare the analysis of variance table manually (Show ALL workings)
b. State the null hypothesis(es), the decision rule for α = 0.05 and make the decision for
each hypothesis also confirm the answer using R-Studio. Provide the code used only.
Transcribed Image Text:Three sizes of Hondas are imported and sold in the Jamaica. The sizes are small, medium and
large. A study was undertaken to find out whether the sales of each type of car is equally liked by
the Jamaican consumers. Annual sales in hundreds of thousands for each type of car were randomly
selected. The table below shows the data for the random sample of sales:
Type of Car
Small
Medium
Large
50.
45
60
65
35
42
Annual sales of cars
36
53
36
56
40
65
46
35
67
56
20
86
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Step 1: Mentioning the given data
VIEWStep 2: Preparing the ANOVA table.
VIEWStep 3: Stating the hypotheses, making decision and conclusion.
VIEWStep 4: Confirming the previous answer using R-studio.
VIEWStep 5: Determining if the normality and homogeneity of variances assumptions are violated.
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