Topic: Inferential Statistics1. 1. The management of Discount Furniture, a chain of discount furniture stores in the Metro, designed anincentive plan for salespeople. To evaluate this innovative plan, 12 salespeople were selected atrandom, and their weekly incomes before and after the plan were recorded:SALESPEOPLEWEEKLY INCOMEBEFOREAFTER32,00034,00029,00028,50042,10047,50051,00051,00021,00021,00040,20050,00062,50063,10056,00056,00036,00036,50043,10043,10050,60052,50050,50061,900Was there a significant increase in the average salesperson's weekly income due to the innovativeincentive plan?ABCDEFGHLIELАсΗΙJK

In hypothesis testing, there are always two hypotheses. These are null and alternative hypotheses.…

Answered: 1. The management of Discount…

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Author:Amos Gilat

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Topic: Inferential Statistics

1. The management of Discount Furniture, a chain of discount furniture stores in the Metro, designed an
incentive plan for salespeople. To evaluate this innovative plan, 12 salespeople were selected at
random, and their weekly incomes before and after the plan were recorded:
SALESPEOPLE
WEEKLY INCOME
BEFORE
AFTER
32,000
34,000
29,000
28,500
42,100
47,500
51,000
51,000
21,000
21,000
40,200
50,000
62,500
63,100
56,000
56,000
36,000
36,500
43,100
43,100
50,600
52,500
50,500
61,900
Was there a significant increase in the average salesperson's weekly income due to the innovative
incentive plan?
ABCDEFGHLIEL
А
с
Η
Ι
J
K

Statistics that allow for inferences or estimates about the population. Inferential statistics enable analysts come to conclusions about the population based on sample data. Inferential statistics cover the basics of inferential statistics, all kinds of hypotheses tests and their confidence intervals, design of experiments, and statistical power and errors. It also includes point estimation techniques, limit theorems, sampling distributions, approximations, and bounds. Correlation, regression, and association are also covered under inferential statistics to infer relationships between variables.

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