Question

question 3 (3 points)
a random sample of 2000 first graders in the us were asked if they believe in santa claus. of the respondents, 148 said yes. what is the population?
o a
all first graders in the us
o b
2000 us first graders
o c
the 148/2000 that believe in santa claus
o d
the proportion of us first graders that believe in santa claus

Explanation:

Step1: Understand population concept

Population is the entire group of interest.

Step2: Analyze each option

• Option a: "all first graders in the US" is the entire group (population) as the study is about US first - graders' belief in Santa Claus.
• Option b: "2000 US first graders" is a sample (subset of the population).
• Option c: "the 148/2000 that believe in Santa Claus" is a statistic (a value calculated from the sample).
• Option d: "the proportion of US first graders that believe in Santa Claus" is a parameter (a value that describes the population, but not the population itself).

Answer:

a. all first graders in the US