A police car is moving 40 kph faster than a bus. The time that it takes the bus to travel 3 km, the police car travels 5 km. Find their speeds. *

2 points

A. The rate of bus is 60 kph and the rate of police car is 100 kph.

C. The rate of bus is 80 kph and the rate of police car is 120 kph.

B. The rate of bus is 70 kph and the rate of police car is 110 kph.

D. The rate of bus is 90 kph and the rate of police car is 130 kph.

A department store manager has recorded the annual energy cost (in pesos) of five basic top freezer models of refrigerators. Study the data: [Refrigerator Model with the Weekly Energy Cost in Pesos: Sharp-71; National-81; Samsung-79; White Westinghouse-93; Whirlpool-76] Find the variance for data on weekly energy costs? *

2 points

B. PhP66

A. PhP65

C. PhP67

D. PhP68

Use set builder notation or rule method to describe the set counting greater than 5 but less than 12. *

1 point

D. {x N | 5 x 12}

A. {x N | 5 < x < 12}

B. {x N | 5 > x > 12}

C. {x N | 5 x 12}

What is the mode of the given set of numbers? {5, 9, 6, 8, 7, 4, 1, 2, 3, 5, 4, 5, 9, 5} *

1 point

D. 9

A. 3

C. 7

B. 5

Consider A = {R, E, N, Z}. Find the power set of A. *

1 point

D. (A) = { {R}, {E}, {N}, {Z}, {R, E}, {R, N}, {R, Z}, {E, N}, {E, Z}, {N, Z}, {R, E, N}, {R, E, Z}, {E, N, Z}, {E, N, R}, {R, E, N, Z}, }

B. (A) = { {R}, {E}, {N}, {Z}, {R, E}, {R, N}, {R, Z}, {E, N}, {E, Z}, {N, Z}, {R, E, N}, {R, E, Z}, {E, N, Z}, {E, N, R}, }

A. (A) = { {R}, {E}, {N}, {Z}, {R, E}, {R, N}, {R, Z}, {E, N}, {E, Z}, {N, Z}, {R, E, N}, {R, E, Z}, {E, N, Z}, {E, N, R}, {R, E, N, Z}}

C. (A) = { {R}, {E}, {N}, {Z}, {R, R}, {N, N}, {Z, Z}, {E, E}, {E, Z}, {N, Z}, {R, E, N}, {R, E, Z}, {E, N, Z}, {E, N, R}, {R, E, N, Z}, }

What is measures of variability or dispersion? The measures of the _____. *

1 point

B. center of a given set of data

D. peakedness or flatness of a distribution

A. average distance of each observation from the center of the distribution

C. degree of symmetry or asymmetry of a distribution

Consider the proposition, "If a picture paints a thousand words, then I should paint you". Which logical operator is used? *

1 point

B. Disjunction

C. Biconditional

D. Conditional

A. Negation

Based on the given statements below about the characteristics of the mode, which of the following is correct statement/s? I. The mode is a quick approximation of the average. II. The mode is used when we want to find the value which occurs most often. III. The mode is the most appropriate measure of central tendency when the data are nominal in scale. IV. The mode is the least reliable among the three measures of of central tendency because its value is undefined in some distributions. *

1 point

C. I, II, and III

A. IV

D. I, II, III, and IV

B. I and II

The mean, median, and mode are all measures of: *

1 point

C. the most common score

A. percentile ranks

B. the midpoint of the distribution

D. Variability

The grade-point average for the selected university students were computed. The data are as follows: [ Student with the GPA: Student A-3.75; Student B-3.00; Student C-3.00; Student D-1.75; Student E-2.00; Student F-2.25; Student G-3.25] What is the range? *

1 point

A. 1.00

C. 2.25

B. 1.75

D. 2.00

Look at this set of numbers: 31, 54, 12, 42, 36, 85, 74, 14, 55, 12. How would the mean change if the number 58 is added to the set of numbers? *

1 point

D. The mean will decrease by 2.5.

C. The mean will decrease by 1.5.

B. The mean will increase by 2.5.

A. The mean will increase by 1.5.

A sports utility vehicle manufacturing company offers 6 upgrade options to their standard SUV. How many different versions of the SUV can the company produce? *

A. 16

D. 128

B. 32

C. 64