4. What do you call a normal distribution with mean μ = 0 and a standard deviation σ = 1?

B. Standard Normal Distribution

1. Which of the following is a discrete random variable?

B. the number of vaccinated students in a class

3. The following are properties of normal distribution EXCEPT:

D. The area under normal curve is greater than 1.

9. The purpose of simple linear regression analysis is to:

A. Predict one variable from another variable

studbud

Sci-Math Series Quiz Bowl

10 termsStudBud Administration9 plays

Imported from external platform

Flashcards10 cardsFPractice quizPHost liveL

Questions 10

Answers

1
4. What do you call a normal distribution with mean μ = 0 and a standard deviation σ = 1?
C. Absolute Normal Distribution
A. Perfectly Normal Distribution
B. Standard Normal Distribution
D. Statistical Normal Distribution
2
6. Consider values of 1,2,3,4,5. How many number of samples of size 3 can be derived if sampling is with replacement?
A. 125
C. 250
B. 10
D. 15
3
8. In testing a hypothesis, the hypothesis that is assumed to be true is
C. the null or the alternative hypothesis
B. the null hypothesis
D. neither the null nor the alternative hypothesis
A. the alternative hypothesis
4
7. A point estimate of a population consists of how many numbers?
D. infinite
B. 2
C. 10
A. 1
5
1. Which of the following is a discrete random variable?
D. the average weight of male athletes
A. the average amount of water consumed
C. the amount of paint used in repainting a building
B. the number of vaccinated students in a class
6
3. The following are properties of normal distribution EXCEPT:
A. The distribution curve is bell-shaped.
B. The curve is symmetrical about its center.
C. The mean, the median, and the mode are equal and coincide at the center.
D. The area under normal curve is greater than 1.
7
2. Which formula gives the probability distribution shown by the table?
a.P\left(X\right)=\frac{1}{X}
b. P\left(X\right)=\frac{X}{6}
d. P\left(X\right)=\frac{1}{6}
c. P\left(X\right)=\frac{6}{X}
8
9. The purpose of simple linear regression analysis is to:
A. Predict one variable from another variable
D. Obtain the expected value of the dependent variable
B. Replace points on a scatter diagram by a straight line
C. Measure the degree by which two variables are linearly associated
9
10. When regression line passes through the origin, then
A. Regression coefficient is zero
D. Association is zero
B. Intercept is zero
C. Correlation is zero
10
5. Your teacher made used of draw lots to select a class representative . What type of sampling method was utilized ?
D. Cluster or Area Sampling
B. Systematic Random Sampling
C. Stratified Random Sampling
A. Simple Random Sampling

Sci-Math Series Quiz Bowl Flashcards | StudBud