Identify the populations and parameters of interest then

Assignment Help Basic Statistics

Reference no: EM13624938

A study of "adverse symptoms" in users of over-the-counter pain relief medications assigned subjects at random to one of two common pain relievers: acetaminophen and ibuprofen. In all, 650 subjects took acetaminophen, and 44 experienced some adverse symptom. Of the 347 subjects who took ibuprofen, 49 had an adverse symptom. We want to assess the evidence that the two pain relievers differ in the proportion of people who experience an adverse symptom.

a. Identify the populations and parameters of interest. Then state hypotheses.

b. State and verify conditions for carrying out a significance test.

c. Calculate the test statistic and the P-value.

d. What conclusion would you draw?

e. Construct and interpret a 90% confidence interval for the size of the difference.

Reference no: EM13624938

Questions Cloud

A machine that cuts corks for wine bottles operates in such : a machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks

The company must choose how many hours they should : a company can decide how many additional labor hours to acquire for a given week. subcontractor workers will only work

The probability of a student is a physics major at a : the probability of a student is a physics major at a certain college is 15a find the probability that the eighth person

An opinion poll asks an srs of 100 college seniors how they : an opinion poll asks an srs of 100 college seniors how they view their job prospects. in all 53 say good. the plus four

Identify the populations and parameters of interest then : a study of adverse symptoms in users of over-the-counter pain relief medications assigned subjects at random to one of

A student in the concrete lab places 6 low strength : a student in the concrete lab places 6 low strength concrete test cylinders 3500 psi with a batch of 9 high strength

Ten voters are randomly selected and asked if they will : ten voters are randomly selected and asked if they will vote for the incumbent president. five said yes and three said

Determine the sample size needed to calculate a 95 : determine the sample size needed to calculate a 95 confidence interval for a proportion with a margin or error of

Efficacy of a drug seventy-five 75 people with : efficacy of a drug. seventy-five 75 people with hypertension were given a new drug for the treatment of their

User Account

All Pages