RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

SAMPLING DISTRIBUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
According to the Center for Disease Control, 93% of children entering kindergarten in the U.S. are vaccinated. A school district has 180 incoming kindergarten children.Which of the following is true concerning the shape of the sampling distribution?
A
The sampling distribution is normal because n > 30
B
The sampling distribution is not normal because nq is < 30
C
The sampling distribution is normal because 10% of 180 is > 10
D
The sampling distribution is normal because np and nq are both > 10
Explanation: 

Detailed explanation-1: -Taxi fares in New York City are normally distributed with a mean fare of $22.50 and a standard deviation of $2.20. A tourism agency surveys 25 of its clients who have recently traveled to New York City to determine whether or not this information is accurate.

There is 1 question to complete.