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SUMMATIVE TEST 1 STAT

Total questions: 50

Worksheet time: 4hrs 10mins

Name
Class
Date
1.

It is a branch of Mathematics dealing with the collection, analysis, interpretation, presentation of data and organization of data.

(a)  

2.

Refers to the data that continuously measurable.

(a)  

3.

an example of Continuous Data EXCEPT

a)

Height

b)

weight

c)

temperature

d)

Student number

4.

Refers to the characteristics we observed to measure from every element of a population.

(a)  

5.

It is computed as the sum of all observations in the data set divided by the number of observations that you include in the sum.

(a)  

6.

A collection of facts from experiments, observations, sample surveys and censuses.

(a)  

7.

A subgroup of a universe or of a population

(a)  

8.

It is the value that occurs most often or it is that value has the highest frequency.

(a)  

9.

It is a data that can be counted.

(a)  

10.

FIND FOR THE AREA OF Z=0.23

(a)  

11.

FIND FOR THE AREA OF Z= -0.23

(a)  

12.

FIND FOR THE AREA OF Z= 1.45

(a)  

13.

FIND FOR THE AREA OF Z= -2.01

(a)  

14.

It is the middle value in an array of observations.

(a)  

15.

The letter “T” in the FDT stands for?

(a)  

16.

‘’Students getting the height of the plants using a meter stick’’. The statement is an example of what type of data?

a)

Primary data

b)

Secondary data 

17.

Suppose we have 10,2,5,7,9,9,11 and 18. Solve for MEAN

(a)  

18.

Suppose we have 10,2,5,7,9,9,11 and 18. Solve for MEDIAN

(a)  

19.

Suppose we have 10,2,5,7,9,9,11 and 18. Solve for MODE

(a)  

20.

(a)    describes the entire population.

21.

(a)   sampling is also known as lottery technique.

22.

(a)   Random Sampling selecting every kth element where k is a positive integer.

23.

(a)   sampling alternatively knows as random sampling 

24.

(a)   sampling techniques are often referred to as convenience sampling. 

25.

Non-probability sampling techniques are often referred to as (a)   sampling. 

26.

it is a statement that can be demonstrated to be true by accepted mathematical operations and arguments.

(a)  

27.

Is one of the most popular theorems in statistics, and it’s handy in real-world problems.

(a)  

28.

(a)   or also known as Student’s t distribution is a probability that is used to estimate population when sample size is small and/or when the population variance is known.

29.

T DISTRIBUTION was develop by (a)   in 1908.

30.

(a)   was develop by WILLIAM SEALY GOSSET in 1908.

31.

(a)   refers to the number of independent observations in a set of data.(df = n – 1).

32.

Sample size < 30

a)

T - distribution

b)

Z - distribution

33.

Sample size > 30

a)

T - distribution

b)

Z - distribution

34.

 is the branch of mathematics concerning numerical descriptions of how likely an event is to happen, or how likely it is that a proposition is true.

(a)  

35.

This refers to the difference of highest score and lowest score.

(a)  

36.

Refers to the characteristics we observed to measure from every element of a population.

(a)  

37.

A data that can obtain through the use of existing data.

(a)  

38.

A data that can be obtained directly from the sources.

(a)  

39.

It is a variable that express a categorical attribute such gender, religion, civil status and region.

(a)  

40.

The measurement or quantity that describes the sample.

(a)  

41.

Tells that the value is above the mean is called (a)   .

42.

(a)   is a process by giving chances to all part of the population to become a sample. 

43.

 Selecting a sample by using combinations of different sampling methods.

(a)  

44.

The population is divided into groups or strata, based on some characteristic. Then, within each group, a sample is selected.

(a)  

45.

Is a function whose value is real number determined by each element in the sample space. 

(a)  

46.

Classify each random variable as DISCRETE or CONTINUOUS. Write D if that is discrete and C if continuous.

Number of women among 10 newly hired teachers.

(a)  

47.

Classify each random variable as DISCRETE or CONTINUOUS. Write D if that is discrete and C if continuous.

Height (in inches) of a randomly selected adult male.

(a)  

48.

Classify each random variable as DISCRETE or CONTINUOUS. Write D if that is discrete and C if continuous.

Number of car accident among 8 selected cities.

(a)  

49.

Classify each random variable as DISCRETE or CONTINUOUS. Write D if that is discrete and C if continuous.

Amount of rainfall (in mm) in the different cities in metro manila.

(a)  

50.

Classify each random variable as DISCRETE or CONTINUOUS. Write D if that is discrete and C if continuous.

Average temperature (in c°) in Baguio City for the past 5 days.

(a)