B) On the grid, draw a frequency polygon for the information in the table.
(2)
20
The table shows information
about the heights of 70 plants.
Height (h cm) Frequency
10 <h< 20
5
20 <h < 30
10
30 <h<40
10
40 < 5 < 50
20
50 <h <60
15
60 <h < 70
10
15-
Frequency
a) Find the class interval that
contains the median. (1)
5
+
0-
0
10
20
50
60
70
30 40
Height (h cm)
Click here for any special
symbols you may need.
Total marks: 3
Ruler

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Taking algebra two apex courses and need with these questions

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.