What is the sample statistic in given situation

Reference no: EM131416969

Volunteers who had developed a cold within the previous 24 hours were randomized to take either zinc or placebo lozenges every 2 to 3 hours until their cold symptoms were gone (Prasad et al. 2000). Twenty-five participants took zinc lozenges, and 23 participants took placebo lozenges. The mean overall duration of symptoms was found for each group.

a. What is the parameter of interest in this situation? Give notation and define it.

b. What is the sample statistic in this situation? Give notation and define it.

c. What condition(s) must be met for the sampling distribution of the statistic you defined in part (b) to be approximately normal?

Reference no: EM131416969

Questions Cloud

Describe your product or service offering as it is currently : Offering. Describe your product or service offering as it is currently in terms of features and benefits, price and the total cost of ownership as discussed in the week's readings. Is it more product dominant or service dominant? What are the t..

Subgroups have trivial intersection : Verify that the two subgroups A x {eB} and {ea} x B are normal in A x B, and that the two subgroups have trivial intersection.

Prepare a detailed report for their guidance : Ms. Nilima and Ms. Sonia are very good friends. After completing their graduation in literature from a reputed college in Delhi University, they got a chance in modeling. This aroused their interest in the fashion industry. You are required to prepar..

What condition is required for the sample sizes : In situations for which the parameter of interest is the difference in population means for independent samples, is it necessary for the two samples sizes n1 and n2 to be equal in order for the sampling distribution of the sample statistic to be ap..

What is the sample statistic in given situation : What is the parameter of interest in this situation? Give notation and define it.- What is the sample statistic in this situation? Give notation and define it.

Internal scanning and organizational analysis : Based on this week’s assigned reading, what learning can you share with your team that will facilitate an effective internal scan for your project? Additionally, select one resource (e.g. journal article, book, magazine article, website, etc.) of you..

Discuss three effects of chinas one child rule : Next discuss three effects of China's one child rule. In your response please consider social, ethical and environmental sides of the effect.

Describe three geographical features : Describe three geographical features of India that relate to Hindu devotional practice, and explain the connection. Why is it that geography plays a role in religious belief?

Draw a picture of the sampling distribution : Draw a picture of the sampling distribution of x‾1 - x‾2, similar to given Figure.- Is it possible that the mean height for the sample of women will be greater than the mean height for the sample of men? Explain.

User Account

All Pages