1. Which of the following is 60% in fraction form? A. 2/5 B. 3/5 2. What is 2/5 in percent? C. 4/5 D. 1/5 A. 20% B. 40% C. 80% D
. 30% 3. What is 1/3 in decimal? A. 0.222 B. 0.333 C. 0.667 D. 0.445 4. What is 250 in the statement 24% of 250 is 60? A. base B. rate C percent D. percent 5. What is the equivalent of 48/100 in decimal form? A. 0.48 B. 0.048 C. 0.408 D. 0.0048 6. What do you call the quantity that represents the whole? A. base B. rate C. percent D. percentage 7. Which term is described as the quantity that is part of the base? A. base B. rate C. percent D. percentage 8. Which represents base in 30% of 300 is 90? A. 30 B. 90 C. 300 D. 30% 9. In the statement 24% of 250 is 60, which represents rate? A.0.24 B. 24% C. 60 D. 250 10. If 30% of 300 is 90, what do you call 90? A. base B. rate C. portion D. percentage 11. In the statement "18 is girls in the class of 60 learners? A. 3:12 B. 5:20 C. 1:4 D. All of these 16. Seven of the 35 boys in the class wear eyeglasses. What percent of the boys wear eyeglasses? Which of the following is asked in the problem? A. Base B. Rate C. Percentage D. Proportion any one help meg
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The determined value of mean µ is 1.3 and variance σ² is 0.81.
What is mean and variance?
- A measurement of central dispersion is the mean and variance. The average of a group of numbers is known as the mean.
- The variance is calculated as the square root of the variance.
- We can determine how the data we are collecting for observation are dispersed and distributed by looking at central dispersion.
The table is attached as an image for reference.
Mean µ = ∑X P(X)
µ = 1.3
Variance (σ² ) = ∑ X² P(X)- (µ)²
= 2.5-(1.3)²
(σ² ) = 0.81
The determined value of mean µ is 1.3 and variance σ² is 0.81.
Learn more about mean and variance here:
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