3rd Chapter Long Quiz (Stat)

Which the following set of data is normally

distributed?

• 7,3,2,3,5,6,2

• 3,2,4,5,2,1,5

• 2,3,1,4,5,2,6

• 6,2,4,6,8,4,8,10,6

How many possible samples can be taken from the following data?

3, 5, 7, 2, 9, 1, 10, 7, 5, 8, 3 (r = 5)

• 426

• 446

• 462

• 464

What is the non-probability sampling method

that depends on the availability of the subjects or individuals to be requested as representatives?

• Snowball sampling

• Convenience sampling

• Quota sampling

• Purposive sampling

In order to be able to safely assume that the data is normally distributed, sample size (n) must be?

• Less than 30

• Greater than or equal to 30

• At least 100

• All members of the population must be

  taken as samples.

What is the process of taking representatives from a population?

• Data gathering

• Interpreting

• Sampling

• Analyzing

A group of students in Grade 11 got the

following scores in a test: 2, 3, 4, 5, and 6. Suppose samples of size (r=4) are drawn from the population.

What is the MEAN of the population?

• 3.5

• 4

• 13.5

• 30

A group of students in Grade 11 got the

following scores in a test: 2, 3, 4, 5, and 6. Suppose samples of size (r=4) are drawn from the population.

What is the VARIANCE of the population?

• 2

• 6

• 4

• 8

A group of students in Grade 11 got the

following scores in a test: 2, 3, 4, 5, and 6. Suppose samples of size (r=4) are drawn from the population.

What is the STANDARD DEVIATION of the population?

• 2.14

• 1.14

• 3.25

• 1.41

4 students from 11-Sampaguita got

the following scores in a test: 2, 3, 4, 5.

Suppose samples of size (r=3) are drawn from the population.

What is the MEAN of the sampling

distribution?

• 1

• 2

• 3

• 4

4 students from 11-Sampaguita got the following scores in a test: 2, 3, 4, 5. Suppose samples of size (r=3) are drawn from the population.

What is the VARIANCE of the sampling distribution?

• 1/6

• 1/5

• 1/4

• 1/3