1. THE FOLLOWING ARE THE SCORES OF 7 BSPT 1A2-2 STUDENTS IN A 30 ITEM QUIZ IN MATM 111: 28, 20, 26, 25, 27, 30, 25

CHOICES:

26.5 27 25 25.9 2. THE FOLLOWING ARE THE SCORES OBTAINED BY 9 STUDENTS FROM STEM 12-Y1-20 IN THEIR THIRD QUARTERLY EXAMINATION IN GENERAL PHYSICS 2: 53, 58, 45, 35, 44, 29, 51, 56, 40

WHAT IS P70?

CHOICES:

45 51 53 44 3. WHICH OF THE FOLLOWING STATEMENTS IS FALSE?

CHOICES:

THE MEDIAN IS THE MIDDLE MOST VALUE

MEAN IS THE SUM OF ALL SCORES DIVIDED BY THE HIGHEST SCORE

THE MEAN IS THE AVERAGE OF ALL THE SCORES

BIMODAL IS THE TERM USED WHEN THERE ARE TWO MODES

4. WHICH OF THE FOLLOWING STATEMENTS IS OR ARE TRUE?

1. A MEASURE OF POSITION THAT DIVIDES THE ARRANGE OBSERVATIONS INTO 10 EQUAL PARTS IS DECILE

2. THE VALUE OF THE THIRD QUARTILE IS EQUAL TO THE 17TH PERCENTILE

3. MEDIAN=Q2=D5=P50

CHOICES:

ONE AND THREE ONLY

ONE AND TWO ONLY

TWO AND THREE ONLY

ONE, TWO AND THREE

5. IF THE BEST FITTING LINE IS SLANTING UPWARD TO THE RIGHT, WHAT DOES IT IMPLY?

CHOICES:

IT MEANS THAT THE TWO VARIABLES ARE INVERSELY PROPORTIONAL TO EACH OTHER

IT MEANS THAT AS THE DEPENDENT VARIABLE DECREASES, THE INDEPENDENT VARIABLE INCREASES

IT MEANS THAT THE TWO VARIABLES ARE DIRECTLY PROPORTIONAL TO EACH OTHER

IT MEANS THAT AS THE DEPENDENT VARIABLE INCREASES, THE INDEPENDENT VARIABLE DECREASES

6. FOLLOWING STATEMENT IS /ARE TRUE?

1. MEASURES OF VARIATION TELLS HOW DISPERSED OR HOW CLOSE THE SCORES IN THE DATA ARE

2. IF VARIATION IS ZERO IT MEANS ALL OBSERVATIONS ARE ALIKE

3. IF OBSERVATIONS ARE ALL ALIKE THEN IT IS CALLED HETEROGENOUS

CHOICES:

ONE, TWO AND THREE

ONE AND THREE ONLY

ONE AND TWO ONLY

TWO AND THREE ONLY

7. THE FOLLOWING ARE THE SCORES OBTAINED BY NINE STUDENTS FROM STEM 12-Y1-20 IN THEIR THIRD QUARTER EXAMINATION IN GENERAL PHYSICS 2: 53, 58, 45, 35, 44, 29, 51, 56, 40

WHAT IS Q2?

CHOICES:

40 44 45 51 8. THE FOLLOWING ARE THE SCORES OF 11 GRADE 12 STEM STUDENTS IN A 30-POINT QUIZ IN MATH 3: 12 15 16 18 18 20 23 24 25

WHAT IS THE VALUE OF INTERQUARTILE RANGE?

CHOICES:

4 8 3.5 7

9. THE FOLLOWING ARE THE SCORES OBTAINED BY NINE STUDENTS FROM STEM 12-Y1-20 IN THEIR THIRD QUARTERLY EXAMINATION IN GENERAL PHYSICS 2: 53, 58, 45, 35, 44, 29, 51, 56, 40

WHAT IS D3?

CHOICES:

40 44 45 51

10. WHICH OF THE FOLLOWING IS NOT A PROPERTY OF A NORMAL DISTRIBUTION?

CHOICES:

THE NORMAL DISTRIBUTION IS BIMODAL

THE TOTAL AREA UNDER THE NORMAL DISTRIBUTION CURVE IS 100%

THE NORMAL DISTRIBUTION IS CONTINUOUS

THE MEAN MEDIAN AND MODE ARE ALL EQUAL AND LOCATED AT THE CENTER OF THE DISTRIBUTION

11. WHICH OF THE FOLLOWING IS THE AREA UNDER THE STANDARD NORMAL DISTRIBUTION CURVE TO THE RIGHT OF Z=-1.03

CHOICES:

0.8485 0.1515 0.6515 0.3485

12. WHAT COULD BE THE DECISION AFTER TESTING THE SIGNIFICANCE OF R?

CHOICES:

REJECT HO, SINCE R COMPUTED < R TABULAR

ACCEPT HO, SINCE R COMPUTED > R TABULAR

ACCEPT HA, SINCE R COMPUTED > R TABULAR

REJECT HO, SINCE R COMPUTED < R TABULAR

13. WHICH OF THE FOLLOWING IS THE GRAPHING METHOD USED TO ILLUSTRATE THE RELATIONSHIP BETWEEN TWO QUANTITATIVE VARIABLES?

CHOICES:

LINE GRAPH

HISTOGRAM

NORMAL CURVE

SCATTER DIAGRAM

14. WHAT IS THE AREA UNDER THE STANDARD NORMAL DISTRIBUTION CURVE TO THE LEFT OF Z= 0.54?

CHOICES:

0.2946 0.2054 0.7054 0.5000

15. THE FOLLOWING ARE THE SCORES OF 7 BSPT 1A2-2 STUDENTS IN A 30-ITEM QUIZ IN MAT M 111: 28 20 26 25 27 30 25

CHOICES:

26 27 25 28 16. WHICH OF THE FOLLOWING STATEMENTS IS NOT TRUE?

CHOICES:

PEARSON'S CORRELATION MEASURES THE NATURE AND STRENGTH BETWEEN TWO VARIABLES OF THE QUANTITATIVE TYPE

WHEN BOTH VARIABLES IN A CORRELATION INCREASES, THEN THE CORRELATION IS POSITIVE

WHEN BOTH VARIABLES IN A CORRELATION DECREASES, THEN THE CORRELATION IS NEGATIVE

CORRELATION IS A TECHNIQUE YOU RETURN MOST IN THE DEGREE TO WHICH TWO VARIABLES ARE RELATED

17. HOW DO YOU CALL THE VARIABLE B IN THE LINEAR REGRESSION EQUATION Y=A+BX?

CHOICES:

INTERCEPT SLOPE DEPENDENT VARIABLE

INDEPENDENT VARIABLE

18. WHICH OF THE FOLLOWING DOES NOT DESCRIBE LINEAR REGRESSION ANALYSIS?

CHOICES:

CALCULATES THE BEST FIT LINE FOR A CERTAIN DATA SET

IT DETERMINES THE SLOPE AND INTERCEPT OF THE LINE TO FORM THE LINEAR REGRESSION EQUATION

ALL POINTS PLOTTED LIE ON BEST FITTING LINE

USE A KNOWN X VARIABLE TO PREDICT AN UNKNOWN Y VARIABLE

19. WHAT IS THE AREA UNDER THE STANDARD NORMAL DISTRIBUTION CURVE BETWEEN Z=0 AND Z=1.12?

CHOICES:

3.886 0.3868 0.3686 0.3668

20. THE FOLLOWING ARE THE SCORES OF 11 GRADE 12-STEM STUDENTS IN THE 30-POINT QUIZ IN MATH 3: 12 15 16 18 18 20 23 24 25

WHICH OF THE FOLLOWING IS THE QUARTILE DEVIATION?

CHOICES:

3.5 4 7 9

21. THE FOLLOWING ARE THE SCORES OF 7 BSPT 1A2-2 STUDENTS IN THE 30-ITEM QUIZ IN MATM 111: 28 20 26 25 27 30 25

WHICH IS THE MEDIAN?

CHOICES:

28 26 25 27

22. WHICH OF THE FOLLOWING REFERS TO THE NONPARAMETRIC VERSION OF PEARSON'S CORRELATION THAT USES RANKING?

CHOICES:

LINEAR REGRESSION

SPEARMAN'S CORRELATION

PRODUCT MOMENT CORRELATION

NORMAL DISTRIBUTION

23. HOW DO YOU INTERPRET A CORRELATION COEFFICIENT ARE EQUAL TO -0.78?

CHOICES:

HIGH DIRECT CORRELATION

VERY HIGH INVERSE CORRELATION

HIGH INVERSE CORRELATION

VERY HIGH DIRECT CORRELATION

24. SUPPOSE THAT THEIR VOLUME OF MINERAL WATER IN THE 2-GALLON CONTAINERS A CERTAIN MINERAL WATER STATION SELLS IS APPROXIMATELY NORMALLY DISTRIBUTED WITH A MEAN OF 1.35 GALLONS AND A STANDARD DEVIATION OF 0.05 GALLONS.

WHAT VALUE WILL DETERMINE THE PROBABILITY OF A RANDOMLY SELECTED 2-GALLON CONTAINER WILL CONTAIN AT MOST 1.5 GALLONS OF MINERAL WATER?

CHOICES:

-3.00 3.00 -0.30 0.30

25. 20 BS NURSING STUDENTS OBTAINED A MINI SCORE OF 45 IN THE PRELIM EXAMINATION WITH A STANDARD DEVIATION OF 4.

WHAT IS THE PERCENTAGE OF ALL THE SCORES WHICH ARE HIGHER THAN 40?

CHOICES:

10.56%

60.56%

39.44%

89.44%

26. SUPPOSE THAT THE VOLUME OF MINERAL WATER IN THE 2-GALLON CONTAINERS A CERTAIN MINERAL WATER STATION SELLS IS APPROXIMATELY NORMALLY DISTRIBUTED WITH A MEAN OF 1.35 GALLONS IN A STANDARD DEVIATION OF 0.05 GALLONS.

WHAT IS THE PROBABILITY THAT A RANDOMLY SELECTED 2-GALLON CONTAINER WILL CONTAIN AT LEAST 1.5 GALLONS OF MINERAL WATER?

CHOICES:

99.87%

50.13%

0.13%

49.87%

27. TWENTY BS NURSING STUDENTS OBTAINED A MEAN SCORE OF 45 IN THE PRELIM EXAMINATION WITH A STANDARD DEVIATION OF 4.

WHAT VALUE OF Z WILL DETERMINE THE PERCENTAGE OF ALL THE SCORES WHICH ARE HIGHER THAN 40?

CHOICES:

-2.50 -1.25 1.25 2.50

28. THE FOLLOWING ARE THE BEVERAGES AVAILABLE IN UNIVERSITY CANTEEN

PRICES OF BEVERAGES: ICED TEA (PHP 18), MINERAL WATER (PHP120), COFFEE(PHP15)

NUMBER OF SOLD BEVERAGES: 8, 9, 3

WHAT IS THE MEAN PRICE OF THE BEVERAGES?

CHOICES:

14.85 15.00 14.50 15.25

WHAT IS THE MEDIAN AND THE MODE OF THE PRICES OF BEVERAGES?

CHOICES:

MEAN= PHP 18.00 & MO= PHP 12.00

MEAN= PHP 15.00 & MO= PHP 18.00

MEAN= PHP 15.00 & MO= PHP 12.00

MEAN= PHP 20.00 & MO= PHP 15.00

29. BELOW IS THE DATA OF LEADING CASES OF CORONAVIRUS COVID-19 IN THE PHILIPPINES AS OF MARCH 31, 2021, BY PROVINCE OR CITY (IN THOUSANDS)

CITY/PROVINCE	CASES OF COVID-19 (X)	X-MEAN	(X-MEAN)
QUEZON CITY	42
CITY OF MANILA	36
CAVITE	24
CEBU	22
N=4		SUM: X-MEAN =	SUM (X-MEAN) =

WHAT IS THE MEAN IN THE RANGE OF THE NUMBER OF COVID-19 CASES?

CHOICES:

30&8

28&69

29&31

31&20

WHICH OF THE FOLLOWING IS THE MEAN ABSOLUTE DEVIATION OF THE DATA?

CHOICES:

31 69 8 20

WHAT IS THE SAMPLE VARIANCE OF THE DATA?

CHOICES:

9.6

92

69

8.3

WHAT IS THE SAMPLE STANDARD DEVIATION OF THE DATA?

CHOICES:

92

8.3

69

9.6

30. USE THE Z SCORE FORMULA TO COMPUTE FOR THE MISSING VALUE IN THE TABLE BELOW

X	MEAN	STANDARD	Z
125	CHOOSE: 111.25,108.25,109.25,110.25	15	1.05
45	50	CHOOSE: 2,1,3,4	-2.5
CHOOSE: 102,112,108,118	110	10	-0.8