BACHELOR OF BUSINESS ADMINISTRATION

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BUSINESS ADMINISTRATION

BUSINESS ANALYTICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A researcher at Florida International University (FIU) wants to estimate the average number of credits earned by students last semester at FIU. She randomly selects 750 students from last semester and finds that they averaged 13.75 credits per student. The population of interest to the researcher is:
A
all FIU students.
B
all college students
C
all FIU students enrolled last semester.
D
the 750 FIU students selected at random.
Explanation: 

Detailed explanation-1: -A statistic is a numerical descriptive measure computed from sample data. A parameter is a numerical descriptive measure of a population.

Detailed explanation-2: -Inferential statistics is also a set of methods, but it is used to draw conclusions or inferences about characteristics of populations based on data from a sample. Statistical inference is the process of making an estimate, prediction, or decision about a population based on a sample.

Detailed explanation-3: -The two basic types of statistical inference are estimation and hypothesis testing. The goal of estimation is to estimate a value for an unknown population characteristic (parameter) based on a sample statistic.

Detailed explanation-4: -The answer is b. False. using the average score to describe a sample is an example of descriptive statistics and not inferential statistics.

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