Which of the following is true?

Group of answer choices

a. In a frequency distribution n = f - 1.

b. In an ogive the curve rises, reaches its peak, and then falls.

c. In an ogive, the steeper the slope, the larger the frequency.

d. An ogive graphes the values of a bell-shaped curve along both sides, left and right

2-

Which of the following is true?

Group of answer choices

a. In a bar chart, the width of the bars is not important.

b. In a histogram, the width of the bars equals the width of the class interval

c. A histogram is not related to frequency distribution data.

d. Both "a" and "b" only are true .

e. Both "b" and "c" only are true .