Question

QUESTION 1

1. A confidence interval is calculated by combining which two items?

   	A.	Sample Mean and Sample Standard Deviation
   	B.	Sample proportion and Sample Size
   	C.	Point Estimate and Margin of Error
   	D.	Sample Size and Level of Confidence

   QUESTION 2

2. When calculating a point estimate with qualitative data, you should be calculating a sample ____________________ for a given category.

   	A.	percentage
   	B.	mean
   	C.	standard deviation
   	D.	critical value

   QUESTION 3

3. Calculate the point estimate for this qualitative research question: A student wants to know what percentage of her classmates at RCSJ prefer the beach over the mountains. She asks 100 students her question and 78 of them choose the beach. What percentage of all RCSJ students prefer the beach over the mountains?

   	A.	7.8%
   	B.	22%
   	C.	50%
   	D.	78%

   QUESTION 4

4. Calculate the point estimate for this qualitative research question: A student wants to know what percentage of her extended family members have blue eyes. She gathers information from a sample of 50 extended family members and finds that 36 of them have blue eyes. What percentage of all her extended family members have blue eyes?

   	A.	3.6%
   	B.	7.2%
   	C.	36%
   	D.	72%

Answer 1

1 ) C ) Point estimate and Margin of error .

The correct option is ( C ) .

2 ) A ) Percentage .

The correct option is ( A )

3 ) Required percentage

  

4 ) Required percentage