11. What does it mean when a standard deviation equal to zero? A. There is no data to begin with. B. The average value is also zero C. All values of the data have the same value. D. The distribution is heavily skewed.   12. Which of the following statements is an application of Inferential Statistics: A. According to PAGASA, the average dally amount of rainfall every month for the past year is 171.8 mm B. In the Philippines, 50% of users surveyed said they are more likely to continue shopping online even after the pandemic ends.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Answer quickly please. Need answer ASAP. Choose one letter only. No need for long explanation.

 

11. What does it mean when a standard deviation equal to zero?

A. There is no data to begin with.

B. The average value is also zero

C. All values of the data have the same value.

D. The distribution is heavily skewed.

 

12. Which of the following statements is an application of Inferential Statistics:

A. According to PAGASA, the average dally amount of rainfall every month for the past year is 171.8 mm

B. In the Philippines, 50% of users surveyed said they are more likely to continue shopping online even after the pandemic ends.

C. An online survey conducted by University of Santo Tomas professors and students has against COVID-19. sherwn that only 55.9% of their 15,651 respondents are willing to be vaccinated

D. The Labor Force Survey of the Philippine Statistics Authority (PSA) reported the country's unemployment rate in October 2020 was estimated at 8.7%, from a record high of 17.7% in April during the height of the community lockdown.

 

13. At the end of a production run manufacturing of computer keyboards, items are sampled at random and inspected to determine if the item is Acceptable (A), or Defective (D). Suppose it is planned to select two items and determine if each is either A or D. Which describes the event that at least one of the items selected is defective?

A. (AA, AD, DD)

B. (AD, DA, DD)

C. (AA, AD, DA)

D. (AA, DD)

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