: 0019 00654 0 481 1 pts D Question 15 The following data represents the results

Question

: 0019 00654 0 481 1 pts D Question 15 The following data represents the results of a survey of 215 Black Friday shoppers sorted by method of payment (Interest bearing Credit Card or Cash) and whether or not they were done shopping for presents According to the United Consumers Association, 30% of adults paid with an interest bearing credit cards last year during Black Friday. Based on the data in the survey, an economist suspects that this percentage has increased at a level of significance of 0.os 1860 O -1641 O -1860 O 1641 0

Explanation / Answer

The statistical software output for this problem is:

One sample proportion summary hypothesis test:
p : Proportion of successes
H0 : p = 0.3
HA : p > 0.3

Hypothesis test results:

Hence,

Test statistic = 1.711

Option D is correct.

Proportion Count Total Sample Prop. Std. Err. Z-Stat P-value p 76 215 0.35348837 0.031252907 1.7114687 0.0435

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