10.1.17 – Null & Alternative Hypothesises
MyStatLab
Given the three scenarios with the given companies (an online company/store, a realty company, and a financial firm)… write the null hypothesis along with alternative hypothesis for each scenario.
10.1.21 – Harsher Penalties & Ad Campaigns
MyStatLab
Given the context of the scenario provided… find out the meaning of the P-Value.
10.1.25 – Old Analgesic or Decongestant Formula
MyStatLab
Given the percent of relief provided for users and the P-value of the new formula… state the alternative hypothesis along with the null hypothesis, then conclude if both formulas are equally effective.
10.1.27.T – Candy Company (Large Bag of Candy)
MyStatLab
Given the color of half of the candies and the color of the other half… figure out the probability they’ll find at least, or at most, are one color.
10.1.31 – Adult Citizens on Economic Conditions
MyStatLab
Given the results of a poll on economic conditions… figure out if it supports the media outlet’s claim.
10.1.39.T – Congenital Abnormalities Affecting Nation’s Children
MyStatLab
Given the percentage of abnormalities back in the 1980s that some people believe it has increased, and the results of a study…. find the hypothesis, assumptions, Z value, p-value and to explain.
10.1.40.T – A Billing Company Collects Bills for Doctor’s Offices
MyStatLab
A billing co. is concerned about rising % of bills paid for by insurance. They give you a historical % and the results from a poll as ask if there is evidence of a change. Parts a-e.
10.1.42.T – Polling Org Found % People Concerned Global Warming
MyStatLab
They tell you a polling co-found a certain % concerned about Global Warming and give you sample data, then ask parts a-e about hypothesis test.
10.1.49.T – Company Criticized for Executive Women Proportion
MyStatLab
They tell you about a co being criticized because few women executives. They give you a % and alpha and ask hypothesis questions, z, p, etc.