Null and alternative hypothesis for decade old study

Reference no: EM13110657

A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal was 67%. Suppose that we have reason to believe that this proportion has changed, and we wish to carry out a hypothesis test to see if our belief can be supported. State the null hypothesis H0 and the alternative hypothesis H1 that we would use for this test.

Reference no: EM13110657

Questions Cloud

At what level is man in relationship to these plants : At what trophic level in man's food chain are plants that produce grain, such as wheat, barley, and oats? At what level is man in relationship to these plants?

Hypothesis test for difference of population difference : A presidential candidate's aide estimates that, among all college students, the proportion p who intend to vote in the upcoming election is at least 70%.

Develop a preliminary swot analysis for qmc : Develop a preliminary SWOT (Strengths, Weaknesses, Opportunities, and Threats) analysis for QMC. Because this is a new target market with a smaller computer, you want to make sure you are including your current customers. Be sure to consider your com..

Statistics of plant heights : Heights were measured for a random sample of 20 plants grown while being treated with a particular nutrient. The sample mean and sample standard deviation of those height measurements were 39 centimeters and 12 centimeters, respectively.

Null and alternative hypothesis for decade old study : A decade-old study found that the proportion of high school seniors who felt that "getting rich" was an important personal goal was 67%.

Evaluate the economic, legal and ethical issues : Assume you are a manager of a large heavy equipment manufacturing company. Your company currently outsources the manufacturing of a specialized piece of equipment to a firm in another country.

Description of hypothesis testing five step : According to the historical data, the life expectancy in the United States is equal to the life expectancy in Japan. A new study has been made to see whether this has changed.

Determine the value of test statistic z : Determine the value of test statistic z using z = ^p-P ^pq/n. Claim is that proportion of drowning deaths of children attributable to beaches is more than 0.25, and sample statistics.

Determining z test for population mean : A researcher claims the average American drinks 52 gallons of cola per year with a population standard deviation of 2.0 gallons. We sample 25 random people and find the mean yearly consumption was 49 gallons.

User Account

All Pages