Question

section 4.2 homework
score: 4/5 answered: 4/5
question 5
a statistician chooses twenty randomly selected dates, and when examining the occupancy records of a particular motel for those dates, finds a mean number of rooms rented to be one hundred forty - one and six tenths with a standard deviation of fifteen and forty - two hundredths rooms rented. assume that the number of rooms rented is normally distributed.
determine the size of the sample in the problem above:
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Explanation:

Step1: Identify sample - size definition

The sample size is the number of observations in a sample.

Step2: Find the number of observations

The problem states that a statistician chooses twenty randomly - selected dates. So the number of observations (sample size) is 20.

Answer:

20