Identify the population of interest

Assignment Help Basic Statistics

Reference no: EM131019813

Face masks used by firefighters often fail by having their lenses fall out when exposed to very high temperatures. A manufacturer of face masks claims that for their masks the average temperature at which pop out occurs is 550°F. A sample of 75 masks are tested and the average temperature at which the lense popped out was 470°F. Based on this information is the manufacturer's claim valid?

a. Identify the population of interest to us in this problem.

b. Would an answer to the question posed involve estimation or testing a hypothesis?

Reference no: EM131019813

Questions Cloud

Sampling the coffee production process : Because the company is sampling the coffee production process every hour, there are 720 confidence intervals for the mean caffeine content m constructed every month.

What inference can be drawn from the results : Students may not work in advance. Do not submit self-assessment summary until assigned. Any summary received prior to the assignment date/week will not be counted towards the student grade. How will the results assist the student in addressing/modi..

Graph and write the solution in given interval notation : Graph and write the solution in interval notation. and x ≥ -2. Write the solution in interval notation. Graph the system of inequalities. x ≤ 2, y ≥ -2x + 3.

What is slope of production possibility frontier for orange : What is the slope of the production possibility frontier for Orange? What is the opportunity cost of producing one additional sofa for Orange? What is the opportunity cost of producing one additional lamp for Orange

Identify the population of interest : a. Identify the population of interest to us in this problem. b. Would an answer to the question posed involve estimation or testing a hypothesis?

Research study on percentage of calories from fat : In the research study on percentage of calories from fat, a. What is the population of interest? b. What dietary variables other than PCF might affect a person's health?

Identify the populations of interest to the county officials : a. Identify the populations of interest to the county officials. b. How might you select a sample of voters to gather this information?

How to protect yourself from computer crimes : Evaluate how vulnerable or susceptible society is today, with respect to this computer crime.

Memorandum opinion on statistical significance : The following memorandum opinion on statistical significance was issued by the judge in a trial involving many scientific issues. The opinion has been stripped of some legal jargon and has been taken out of context.

User Account

All Pages