STA100 MCQs by VUBuddy

EXCELLENT ZOOLOGIST GROUP – - · MCQs STA100 · FINAL TERM -EXAM (topic 23 to 46) · STA-100 General Mathematics and Biostatistics

Note: All past MCQs are included.

1-In the equation of the line y=8x+

𝟒 the y-intercept is --

2-The amplitude of a function is the height from the----of the function its maximum or minimum value—Mean

3-IQs of all children in a school is an example of ----Finite Population

4-During a census what type of data was collected—Primary Data

5-The graph of a cumulative frequency distribution is called-- Ogive

6-Data Arranged in Ascending and Descending order is called--Arrayed Data

7-If an observation in the data set is negative the geometric mean is undetermined

8-The location and shape of the normal curve is determined by ……Mean

9-…..is used when we are dealing with proportions to find the probabilities……Normal distribution 10-The central limit theorem states that the mean of the sampling distribution of the means is equal to the population……..Mean

11-If the second moment ratio is greater than 3 the distribution will be ……Leptokurtic

12-In the method of moments, how many equations are required for finding two unknown population parameters…..2

13-The number of parameters in normal distribution is …..2

14-In general, the estimators obtained by the method of moments are …..Inefficient

15-If Var (mean1) < Var (mean2) it implies ……..Mean 1 is more efficient

16-Normal approximation to the binomial distribution is used when ……..Both (np  5, nq  5)

17-Sampling distribution are ……The probability distribution of sample statistic

18-Total no of possible samples of size 2 (without replacement) from the population of size 6, will …..15

19-If U1=225 and U2=186, the difference of population means will be ……39

20-Satistical inference can be divided into two main branches ……Estimation and Hypothesis testing

21-Using the normal approximation to the binomial distribution with n=3 and p=0.0571 the value of mean is …….0.1713

22-The probability distribution of the proportion of successes in all possible samples is called the …….Sampling distribution of sample proportion

23-The total area under the normal curve is ……1

24-The standard normal distribution has it mean and variance equal to ……..0 and 1 respectively 25-Total no of possible samples of size 3 (with replacement) from the population of size 6, will be …….216

26-If our sampled population is normal, then sampling distribution of the sample mean….. Depend on sample size

27-As rule of thumb, when n>=30, then we can assume that …..is normally distributed…..Binomial distribution 28-Which of the following is most important and most widely used method in point estimation?........The method of maximum likelihood

29-If an estimator is more efficient than the other estimator, its shape of the sampling distribution will be …….Highly peaked

30-P (A), is defined as ratio: ________________m/n

31When the union of mutually exclusive events is equal to the entire sample space S is defined as ---exhaustive event

32-If A = {H, T} then which of the following is power set 0f A?

 , {H}, {T}, {H, T}

33- the standard deviation of -1,-1,-1,-1 will be 0

34. If median>mid-quartile range > midrange then distribution will be --- Negatively skewed

35P(event ) = NO of a outcomes / total no of outcomes is a definition of ______ subjective approach

36 In positively skewed curve _ median < mid- quartile < mid-range

37. Difference between the largest and the smallest data values is called – range

38- The measure of dispersion which uses only two observations is called --- rang

39. If a player well shuffles the pack of 52 playing cards, then the probability of a black card from 52 playing cards is __½