According to the law of large numbers, as more observations are added to the sample, the difference ...

According to the law of large numbers, as more observations are added to the sample, the difference between the sample mean and the population mean
 
  A) Tends to become smaller B) Tends to become larger
  C) Is inversely affected by the data added D) Remains about the same

Q. 2

True or False: The area under the normal curve drawn with regard to the population parameters is the same as the proportion of the population that has these characteristics.
 
  A) True B) False

Q. 3

Classify the two given samples as independent or dependent.
   Sample 1: Pre-training blood pressure of 15 people
   Sample 2: Post-training blood pressure of 15 people
 
  A) independent B) dependent

Q. 4

The ______________ hypothesis contains the = sign.
 
  A) null B) conditional C) alternative D) explanatory

Q. 5

Assume that blood pressure readings are normally distributed with a mean of 116 and a standard deviation of 8. If 100 people are randomly selected, find the probability that their mean blood pressure will be less than 118.
 
  A) 0.0062 B) 0.8615 C) 0.9938 D) 0.9998

Q. 6

The highest point on the graph of the normal density curve is located at
 
  A) an inflection point B)  + 3 C)  +  D) its mean