Lesson 1

Question 1

What do you call a probability sampling method in which researchers select members of the population at an interval?

Accepted Answer

Systematic sampling

Question 2

The sum of the probabilities of the values equals 1.

Accepted Answer

True

Question 3

The ATM comes with a six-digit default PIN. How many options are there?

Accepted Answer

60,000

Question 4

7/6 can be a value of the probability of the probability mass function.

Accepted Answer

False

Question 5

A student has a choice of 6 sandwiches and 6 juices. In how many ways can he choose 1 sandwich and 1 juice?

Accepted Answer

36

Question 6

How many cards are there in a deck of cards?

Accepted Answer

52

Question 7

Descriptive statistics summarizes or describes the important characteristics of a known set of data.

Accepted Answer

True

Question 8

This level of measurement means that 0 has its true meaning. One example of this is temperature, what is it?

Accepted Answer

Interval

Question 9

What do you call a sampling technique where researchers divide a population into homogeneous groups called strata?

Accepted Answer

Stratified sampling

Question 10

Negative values can be a value in a probability mass function.

Accepted Answer

False

Questions 10