STT205




Category: STT205

0

ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!


STT205

1 / 50

1. Which of the following is not a source of data?

2 / 50

2.
Any measure indicating the Centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of: ______


3 / 50

3.
Sum of absolute deviations of the values is least when deviations are taken from: ________

4 / 50

4.
If a constant value is added to every observation of data, how would the value of the arithmetic mean behave? ________


5 / 50

5.
The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be: ______

6 / 50

6. A set of data with only one mode is said to be __________

7 / 50

7. Calculate 70% of the mean of the set of data in the table below

8 / 50

8. There are 5 different items to be stocked in a store with 3 bins for the storage. What are the possible number of arrangements?

9 / 50

9. An impossible event has the probability ______

10 / 50

10. A characteristics that assumes different values for different entities is called __________________

11 / 50

11. A frequency curve of a normal distribution is ____ shaped

12 / 50

12.
 If the smallest observation in a data is decreased, the average which is not affected is: ____   


13 / 50

13.
What effect will the elimination of extreme scores at the bottom of a data set have on the mean? ______  


14 / 50

14.  Which of these is closer to the mode for a skewed distribution?

15 / 50

15.
 If the arithmetic mean of 20 values is 10, then sum of these 20 values is:_____

16 / 50

16.
Scores that differ greatly from the measures of central tendency are called:_________

17 / 50

17. Primary data is not collected through ___________

18 / 50

18.
The sum of the squares of the deviations of the values of a variable is least when the deviations are measured from: ____________


19 / 50

19.
The midpoint of the values after they have been ordered from the smallest to the largest or the largest to the smallest is called:____


20 / 50

20. The sum of the frequencies of 16 and 18 in the table below is _____________

21 / 50

21. _____ is the degree of peakness of a distribution

22 / 50

22. Suppose there are 70 students in an examination with the students writing at least one of the subjects; Chemistry, Physics and Biology. Thirty(30) students offer Physics, 33 offer Chemistry and 40 offer biology, 10 students offer both Physics and Chemistry. Fourteen (14) of the students offer Physics and Biology, and 15 of them offer Biology and Chemistry. How many students offer only Biology

23 / 50

23.
 The first step in calculating the median of a discrete variable is to determine the: _______


24 / 50

24.
The arithmetic mean of 10 items is 4 and the arithmetic mean of 5 items is 10. The combined arithmetic mean is: ______

25 / 50

25. What is the sum of the medians of {3, 4, 4, 5, 6, 8, 8, 10} and {5, 5, 7, 9, 11, 12, 15, 18}

26 / 50

26. What is the cumulative frequency of 40 in table below?

27 / 50

27.
The total of all the observations divided by the number of observations is called: ______


28 / 50

28. ____ is not an advantage of secondary data

29 / 50

29. In an examination the score obtained is weighted 3 times as much as a test score. If a student scored 85% in the examination with a test score of 90%, what is his mean score

30 / 50

30. Suppose there are 70 students in an examination with the students writing at least one of the subjects; Chemistry, Physics and Biology. Thirty(30) students offer Physics, 33 offer Chemistry and 40 offer biology, 10 students offer both Physics and Chemistry. Fourteen (14) of the students offer Physics and Biology, and 15 of them offer Biology and Chemistry. Find the number of students that offer all subjects

31 / 50

31. If at least one of the events of an experiment can occur, then they are said to be ________ events

32 / 50

32.
The suitable average for qualitative data is: ________


33 / 50

33.
Step deviation method or coding method is used for computation of the______


34 / 50

34.
When all the values in a series occur the equal number of times, then it is not possible to calculate the:__________

35 / 50

35.
The sample mean X- is an example of a: ________________ 

36 / 50

36. The difference between the harmonic mean of 2, 4, 8 and their geometric mean is __________

37 / 50

37. The first step involved in constructing a group frequency distribution is to _________ (a) (b) count the number of items

38 / 50

38.
The arithmetic mean is highly affected by: ________

39 / 50

39. If the mode of the distribution is X the [frac{X}{2}] in the table below is _____________

40 / 50

40. The square root of the sum of deviations of a set of numbers from their arithmetic mean is ___________

41 / 50

41. The 75th percentile is the same as the ____ quartile

42 / 50

42.
Given X1=20 and X2=-20. The arithmetic mean will be: ________

43 / 50

43. The following are examples of discrete random variables except

44 / 50

44. ____ is not an axiom of probability

45 / 50

45. The empirical relationship between the mean and median is given by; mean �?? mode = x(mean �?? median) in the table below . Then x is _________________

46 / 50

46. What is the probability of not getting a 1 in the toss of a single die?

47 / 50

47.
The sum of deviations is zero when deviations are taken from:________

48 / 50

48. A Poisson distribution is given by [p(x)=frac{0.72^{x} e^{-0.72}}{x!}]. Calculate the variance

49 / 50

49. Any arrangement of r objects selected from a single group of n possible objects is called a ___________

50 / 50

50. The addition rule of probability is used for ___ events

Rate this quiz




Hello NOUNITES! Join other NOUNITES on Whatsapp and Telegram below, EXCLUSIVE UPDATES awaits you from various study centres and happenings in NOUN. Stay updated
 
Don't miss out, JOIN OVER 22,000 other students already following our platforms

FOLLOW WHATSAPP CHANNEL  FOLLOW TELEGRAM CHANNEL 
    
JOIN WHATSAPP GROUP   JOIN TELEGRAM GROUP
close-link

COIN303

KOIN303

COIN303

COIN303

COIN303

COIN303

COIN303

judi bola online

coin303

coin303

coin303

coin303

coin303

coin303

coin303

Situs KOIN303

agen slot coin303

Koin303

Koin303

Slot COIN303

situs slot

slot online

LINK KOIN303

Bandar Togel

coin303

coin303

coin303

agen casino online

judi bola online

slot resmi

coin303

coin303

coin303

coin303

PG Soft

situs casino

situs judi bola

judi bola

slot gacor

login coin303

coin303

coin303

situs slot mahjong

link koin303

kaitan dengan mahjong ways

fakta mahjong ways yang luar biasa

begini peran mahjong ways

koin303

jadi sorotan detail mahjong ways

coin303

coin303

coin303

mix parlay

https://www.bastiansecurity.co.id/monitoring/