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4 votes
Please help me with this question I will give you 66 points​

Please help me with this question I will give you 66 points​-example-1
User Moobaa
by
7.8k points

2 Answers

1 vote

Answer:

53.1

Explanation:

User Eric Burel
by
7.3k points
3 votes

Answer:

51.3

Explanation:

20-30: 100

30-40: 220-100 = 120

40-50: 350-220 = 130

50-60: 750-350 = 400

60-70: 950-750 = 200

70-80: 1000-950 = 50

Mean = sum(f × x) / sum(f)

= [25×100 + 35×120 + 45×130 + 55×400 + 65×200 + 75×50] ÷ 1000

= 51,300 ÷ 1000

= 51.3

User Thisizkp
by
8.1k points

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