A real estate developer is considering investing in a shopping mall on the outskirts of Klang Valley, Malaysia. Three parcels of land are being evaluated. Of importance is the income in the area surrounding the proposed mall. A random sample of four families is selected near each proposed mall. Following are the sample results. At the 0.05 significance level, can the developer conclude there is a difference in the mean income? Use the usual five-step hypothesis testing procedure.   Parcel Land Family Puncak Alam (RM 000) Rawang (RM 000) Banting (RM 000) 1 64 74 75 2 68 71 80 3 70 69 76 4 60 70 78

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 5E
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A real estate developer is considering investing in a shopping mall on the outskirts of Klang Valley, Malaysia. Three parcels of land are being evaluated. Of importance is the income in the area surrounding the proposed mall. A random sample of four families is selected near each proposed mall. Following are the sample results. At the 0.05 significance level, can the developer conclude there is a difference in the mean income? Use the usual five-step hypothesis testing procedure.  

Parcel Land

Family

Puncak Alam

(RM 000)

Rawang

(RM 000)

Banting

(RM 000)

1

64

74

75

2

68

71

80

3

70

69

76

4

60

70

78

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