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What's My Claim?
How Confident Are You?
Tees of Zees?
P-Values
Alphas
100
A new car dealer says that the mean price of a 2015 Honda Pilot LX is less than $33,500.
What is Ha: u < 33,500.
100
The z score table values is for this confidence level is 1. 96.
What is 95%
100
This formula is used for sample size is n< 30
What is tc distribution.
100
The decision is to reject the null hypothesis when this P-Value determined.
What is P is less than or equal to alpha.
100
It has an alpha significance level for a two tailed distribution of .005.
What is a=.01.
200
The Exxon oil company claims that the mean pH level of the water in a nearby river is 5.9.
What is Ho: u=5.9.
200
Using a t table distribution, the area under the normal curve to the left is 2.326.
What is 98%
200
The sample size is considered Large for n greater than 30.
What is a Zc distribution.
200
What decision occurs when given this outcome: (the P-value is .0725 and the alpha level is .05.
What is "fail to reject" the null hypothesis.
200
Its alpha value is .05 for a one tailed distribution.
What is a = .05.
300
The American Automobile Association claims that the cost for an adult at Disney World in Florida more than $105 per person.
What is Ha: u > 105.
300
The two-tailed values under a normal distribution has a t table value of 2.576.
What is 99%
300
The degree of freedom (n - 1) is used when calculating these sample sizes.
What is a Tc distribution
300
The P-Value is .04 and the alpha level is .05. What is the decision for this outcome.
What is "reject" the null hypothesis.
300
This alpha level of significance represents the smallest margin of error.
What is a=.01.
400
A recent survey claimed that the approval rating for President Obama is at an all time high of 58%.
What is Ho: u =.58
400
Its values on the t-distribution table for one tail to the left is -1.282.
What is 80%
400
The table value is subtracted from 1, and to the right of the normal curve when this distribution is used.
What is Zc distribution.
400
Its P-Value is 2.365 for a two-tailed distribution with an alpha level of .05.
What is .95
400
This alpha level is the most commonly used by companies when making a claim for its product or service.
What is a =.05.
500
A large accounting firm claims that the mean annual salary of the firm’s accountants is greater than $55,000.
What is Ha: u = $55,000.
500
This confidence level is 1.645 on the z-score table.
What is 95%.
500
This distribution has values from -3.4 to + 3.4 and its table is a row and column comparison.
What is Zc distribution.
500
Who benefits when the P-Value equals the Alpha level. The company or the consumer?
What is the company.
500
In a two tailed distribution its alpha level is .025.
What is a=.05