56% 20 plants were measured and their heights recorded in cm.
Here are the heights:
b) Draw a frequency polygon
8.2 6.5 2.7 19.4
to represent the data.
16 14.1 17.1 14
8
4.9 2.9 15.5 7.3
15 4.4
13.9
7
10.2 4.6 19.5
7.3
6
11.8
a) Complete the frequency table.
Height, h cm Frequency
0 5
5 Frequency
2-
10 15
0
15 20
5 10 15
Height, h (cm)
Frequency Polygons
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Overview

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

step-by-step explanation:

2nd one in the first row is correct

answer: 1722

step-by-step explanation:

given: the mass of saturn=

the mass of mercury=

the number of times the mass of saturn is greater than the mass of mercury

hence, the mass of saturn is 1722 times greater than the mass of mercury.