Difference between the largest and the smallest data values

Assignment Help Financial Management

Reference no: EM13809830

1. A numerical value used as a summary measure for a sample, such as sample mean, is known as a

a. population parameter

b. sample parameter

c. sample statistic

d. population mean

2. The 50th percentile is the

a. mode

b. median

c. mean

d. third quartile

3. The difference between the largest and the smallest data values is the

a. variance

b. interquartile range

c. range

d. coefficient of variation

4. When data are positively skewed, the mean will usually be

a. greater than the median

b. smaller than the median

c. equal to the median

d. positive

5. The numerical value of the standard deviation can never be

a. larger than the variance

b. zero

c. negative

d. smaller than the variance

6. Which of the following symbols represents the standard deviation of the population

a. σ2

b. σ

c. μ

d. x ¯

7. Which of the following symbols represents the mean of the population

a. σ2

b. σ

c. μ

d. x ¯

8. Which of the following symbols represents the mean of the sample

a. σ2

b. σ

c. μ

d. x ¯

9. Two events are mutually exclusive

a. if their intersection is 1

b. if they have no sample points in common

c. if their intersection is 0.5

d. None of these alternatives is correct

10. The range of probability is

a. any value larger than zero

b. any value between minus infinity to plus infinity

c. zero to one

d. any value between -1 to 1

11. The sum of the probabilities of two complementary events is

a. 0

b. 0.5

c. 0.75

d. 1

12. The union of events A and B is the event containing

a. all the sample points belonging to B or A

b. all the sample points belonging to A or B

c. all the sample points belonging to A or B or both

d. all the sample points belonging to A or B, but not both

13. Events A and B are mutually exclusive. Which of the following statements is also true?

a. A and B are also independent

b. P(A ∪ B) = P(A)P(B)

c. P(A ∪ B) = P(A) + P(B)

d. P(A ∩ B) = P(A) + P(B)

14. The set of all possible sample points (experimental outcomes) is called

a. a sample

b. an event

c. the sample space

d. a population

15. If A and B are independent events, then

a. P(A) must be equal to P(B)

b. P(A) must be greater than P(B)

c. P(A) must be less than P(B)

d. P(A) must be equal to P(A¦B)

Reference no: EM13809830

Questions Cloud

Schedule for the opportunity assessment : Revise your schedule for the opportunity assessment to be prepared for the meeting next week. You will not have access to any other resources; however, you might be able to negotiate the resources to be available for more than 20 hours this week a..

Calculate dollar weighted return using financial calculator : A pension fund that begins with $500,000 earns 15% the first year and 10% the second year. At the beginning of the second year, the sponsor contributes another $300,000. Calculate the IRR (dollar weighted return) using a financial calculator and show..

Analyzing religions - diversity and world cultures : Analyzing Religions - Diversity and World Cultures

Presentation appropriate for the audience : Was Terry's presentation appropriate for the audience? How could Terry have better prepared for the presentation? How could Terry have handled the questions?

Difference between the largest and the smallest data values : A numerical value used as a summary measure for a sample, such as sample mean, is known as a. The difference between the largest and the smallest data values is the. The numerical value of the standard deviation can never be. Which of the following s..

Social exchange theory : Social Exchange Theory

Calculate the dollar-weighted rate of return : A pension fund that begins with $500,000 earns 15% the first year and 10% the second year. At the beginning of the second year, the sponsor contributes another $300,000. Using a ba II plus calculate the dollar-weighted rate of return.

Various research strategies that are available to researcher : Before beginning any research, it is important to understand the various research strategies that are available to the researcher. Explore a possible organizational problem or topic that you would like to investigate. Create a PowerPoint presentat..

Ordinary shares outstanding-current assets-gross margin : Compute the ratios using the methods described in this class (which may not always give you the same number as shown in Key Ratios). Note that sales = Total Revenue, and Shares outstanding is reported at the end of the Balance Sheet as “Ordinary Shar..

User Account

All Pages