Data Collection: One$-$Sample Tests $1.C$

Instructions: Use the interactlve tool as directed to answer the questions below.

Use the dropdown menu to choose the Market Research Data data set. The varlable descriptions are as follows:

No:: An arbitrary identification number assigned to each consumer surveyed

Age: The age of the survey respondent

RateNew: The respondent's rating of the new cell phone

RateCurr: The respondent's rating of thelr current cell phone

CurrBrand: The brand of the respondent's current cell phone

Choose a sample of $100$ observations. For the following question or analysis request, Identify the approprlate hypothesis test to

perform.

$"$Drd a majority of Brand A users in this survey rate our new phone more favorably $($a higher rating$)$ than their current phone?"

a$.$ Conduct a

$]$ with a hypothesized value of

$($Enter $999$ if no test is needed.$)$

b$.$ The test or other calculations will use the following varlable$(5).($Mark variables used directly in calculating means, proportions, or

a regression. Use existing varlables whenever possible. Do not mark varlables used only for sorting.$)$

$?.$ Age