Statistics 4th Quarter Reviewer

Which of these denotes parameter value?

           

• t

•     X        

• ẋ      

• μ         

What do you call on giving a number to describe a population?

• descriptive statistics

• estimating parameters

• hypothesis testing   

• inferential statistics

When the confidence level is 99% α is equal to what value?

   

• 0.01

• 0.05  

• 0.1 

• 0.5

A single value that may refer to a parameter is called what?

        

•   interval estimate

• point estimate  

• t statistics

• z statistics

What is the null hypothesis given the claim; “The average monthly income of Filipino families who belong to low income bracket is ₱8,000.00” ?

 

• The average monthly income of Filipino families who belong to low income bracket is ₱8,000.00

• The average monthly income of Filipino families who belong to low income bracket is not ₱8,000.00

• The average monthly income of Filipino families who belong to low income bracket greater than ₱8,000.00

• The average monthly income of Filipino families who belong to low income bracket is less than ₱8,000.00

What is a range of values that contains the parameter value?

 

• confidence coefficient

• confidence interval  

• confidence level

• confidence limit     

Which of the following serves as a guide in deciding whether to reject or to accept the null hypothesis?

• acceptance region 

• confidence level  

• decision rule 

• interpretation

What do we call the probability that a parameter is contained in a range of values?

   

• confidence coefficient  

• confidence interval

• confidence level 

• confidence limit   

When the confidence is 95%, the (alpha) α value is equal to what value?

    

• 0.01   

• 0.05

• 0.1  

• 0.5    

Which of the following are z scores?

 

• area     

• critical values 

• interval estimates

• probability