10 Answered Questions for the topic Hypothesis

Hypothesis Statistics

05/25/22

statistics homework question. please help me :/
You have been asked to conduct a national study of urban home selling prices to determine if there hasbeen an increase in selling prices over time. For this purpose, you randomly selected some... more
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05/30/20

Statistics question Hypothesis tests for Proportions

A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. If then chose a sample of 400 television viewers and asked them... more
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04/29/20

Regression Help
The following table gives information on the amount of sugar (in grams) and the calorie count inone serving of a sample of 13 varieties of Kellogg’s cereal. Sugar... more
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Hypothesis Math Statistics Ttest

12/15/19

confidence in banks
Confidence in banks: A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions.... more
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Hypothesis Statistics Testing

12/15/19

Careers in science: The General Social Survey asked 514 people whether they had ever considered a career in science, and 178 said that they had
Careers in science: The General Social Survey asked 514 people whether they had ever considered a career in science, and 178 said that they had. Can you conclude that more than 30% of people have... more
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12/15/19

confidence in banks
Confidence in banks: A poll conducted by the General Social Survey asked a random sample of 1325 adults in the United States how much confidence they had in banks and other financial institutions.... more
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08/01/19

statistics question
Cable TV choices: A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. It then chose a sample of 400 television viewers... more
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08/01/19

Statistics question
Hypothesis TestingA sales manager believes that the mean number of days per year her company’s sales representatives spend traveling is less than 50. A test is made of H0: μ = 50 versus H1: μ <... more
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08/01/19

Statistics question Hypothesis Tests for Proportions
Cable TV choices: A telecommunications company provided its cable TV subscribers with free access to a new sports channel for a period of one month. It then chose a sample of 400 television viewers... more
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Expert Answers •1
Hypothesis Statistics

11/15/14

Please can you answer these statistic hypothesis for me ?
- A cords manufacturer claims that the standard deviation of the strength of his wrapping cord is 10 pounds. A sample of 14 wrapping cords produced a standard deviation of 12.4 pounds. At α=0.05,... more
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