A.

1. The following are descriptive statistics EXCEPT

A. 25% of those who took the licensure exam for teachers failed.

B. Based from a study, smoking increases the risk of lung cancer.

C. A recent survey of 2000 adults having an MBA reported that the average salary is

more than $65,000 a year.

D. Last year's attendance at Ateneo's basketball game was 883, 452.

2. It refers to an attribute or characteristic of a population.

A. Statistic

B. Parameter

C. Data

D. Sample

3. Why do we use inferential statistics?

A. Inferential statistics are used to help us to generalize from the sample to the whole

population.

B. Inferential statistics are used to help us to show the difference between the

sample and the whole population.

C. Inferential statistics are used to help us to compare the sample to the whole

population.

D. Inferential statistics is used to describe the sample.

4. Which of the following plots is most useful for detecting outlying scores?

A. Stem and leaf plot

B. Box and whisker plot

C. Scatter plot diagram

D. Histogram

5. Children in elementary school are evaluated and classified as non-readers (0), beginning

readers (1), grade level readers (2), or advanced readers (3). The classification is done

in order to place them in reading groups. Which level of measurement is being used in

the given scenario?

A. Nominal

B. Ordinal

C. Interval

D. Ratio

6. A national random sample of 20 NSAT scores from 2018 is listed below. Calculate the

sample mean and standard deviation:

29 26 13 23 23 25 17 22 17 19

12 26 30 30 18 14 12 26 17 18

A. Mean = 20.50; SD = 5.79

B. Mean = 20.50; SD = 5.94

C. Mean = 20.85; SD = 5.79

D. Mean = 20.85; SD = 5.94

B.

1. If the mean is 8, then the mean absolute deviation of the scores 10 9 3 8 10 is

A. 1

B. 2

C. 3

D. 5

2. The teacher records the percentage that each student got correct on the last math

test. Which level of measurement is being used in the given scenario?

A. Nominal

B. Ordinal

C. Interval

D. Ratio

3. In statistics, which of the following is a qualitative variable?

A. Salt water freezes at 28.4 degrees Fahrenheit.

B. The roller coaster ride is 1 minute, 48 seconds long.

C. Your student ID is a 7-digit number.

D. My little sister is 5-1/2 years old.

4. Assume that the monthly incomes for 10 people are as follows.

P3,400 P3,100 P2,900 P3,700 P4,500

P2,800 P3,000 P4,100 P 5,100 P12,000

The median for the distribution set is

A. P3,400

B. P3,650

C. P3,550

D. P3,700

5. The names of 70 contestants are written on 70 cards. The cards are placed in a bag,

and three names are picked from the bag. What sampling method was used?

A. Stratified sampling

B. Simple random sampling

C. Non-probability sampling

D. Cluster sampling

C.

For 1-5

please refer to the following problem: The following data consist of the present school enrollment of the Dr. Vesse High School. A study on the recent teaching strategies will be conducted in this school. Year Level First Second Third Fourth Population Size 150 185 220 2453. The scores of Psychology students in their GMath quiz are presented in stem-and-leaf plot/diagram: . W N - 03 224 12333 4 11233356 5 3356 6 24 7 3 Find the midrange and sample variance. A. Midrange = 63; Var = 15.65 B. Midrange = 41.5; Var = 15.34 C. Midrange = 41.5; Var = 245.01 D. Midrange = 63; Var = 235.21