Drug awareness test-appropriate null hypothesis

Reference no: EM131830061

Students participating in a drug education program are given a drug awareness test at the beginning of the program. The mean score (µ) for the population of 526 students is 61, with a standard deviation (σ) of 12. As program director, you're curious as to how parents of the students perform on the drug awareness test and whether or not they are significantly different from the students. Selecting a random sample of 50 parents, you administer the test and discover a mean drug awareness score (X) of 56. Assume that you're working at the .05 level of significance.

a. State an appropriate null hypothesis.

b. What is the value of the calculated test statistic (Z)?

c. State your conclusion.

Reference no: EM131830061

Questions Cloud

What would be results of an effective security investment : What would be the results of an effective security investment? How would it be measured? What role should the public play in risk management?

Reading comprehension score : Reports indicate that graduating seniors in a local high school have an average (m) reading comprehension score of 72.55 with a standard deviation

Utilizing your opening explanation to connect experience : Utilizing your opening explanation to connect your experience and training to the association and the prerequisites of the activity.

What is the market value of equity after the repurchase : ManuTeX, Ltd has 5 million in cash that will be used to repurchase shares. what is the market value of equity after the repurchase?

Drug awareness test-appropriate null hypothesis : a. State an appropriate null hypothesis. b. What is the value of the calculated test statistic (Z)?

Discuss steps that MasterCard can take to promote use of BI : MasterCard makes its analytics tools available to all of its member banks and other issuers. It knows that getting its clients to use these tools.

How would you check for network vulnerabilities : How are hosts connected to one another? Is there redundancy? What protocols are being used? Why? How would you check for network vulnerabilities?

Prepare a statement of retained earnings for the year : Messer Company had retained earnings at the beginning of the current year of $590,000. Prepare a statement of retained earnings for the year

Cash-equivalent ebit : RosenBall, ASA expects a cash-equivalent EBIT of 200 million without any growth in foreseeable future. what is currently the all-equity value of RosenBall, ASA?

User Account

All Pages