7. The ages, in years, of 40 people are shown below. 43 42 54 9 24 49 57 10 33 34 0-9 30 Age (years) 10-19 20-29 30-39 40-49 26 50-59 56 28 1 27 35 37 26 12 15 Tally 19 18 47 27 21 20 11 34 (0) What is the width of each class interval? 50 34 Copy and complete the grouped tally chart for the data given. this sentence: 7 19 39 Frequency 25 3 (ii) How many people are in the class interval 30-39? (ii) How many people are less than 20 years old? (iv) How many people are 40 years of age or older? 20 29 33 37 W a of ca int cla

Question 1

Задача Задача №705931

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Аноним

19 марта 2024 17:12 · публичный вопрос

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Аноним 19 марта 2024 17:12

7. The ages, in years, of 40 people are shown below. 43 42 54 9 24 49 57 10 33 34 0-9 30 Age (years) 10-19 20-29 30-39 40-49 26 50-59 56 28 1 27 35 37 26 12 15 Tally 19 18 47 27 21 20 11 34 (0) What is the width of each class interval? 50 34 Copy and complete the grouped tally chart for the data given. this sentence: 7 19 39 Frequency 25 3 (ii) How many people are in the class interval 30-39? (ii) How many people are less than 20 years old? (iv) How many people are 40 years of age or older? 20 29 33 37 W a of ca int cla

Answer

Ширина каждого классового интервала - 10 лет.
Группированная таблица частот для данных: 10-19: ||||| 20-29: ||||| 30-39: ||||| 40-49: |||| 50-59: ||||
В классовом интервале 30-39 6 человек.
Менее 20 лет - 9 человек.
40 лет и старше - 8 человек.

Question 2

7. The ages, in years, of 40 people are shown below. 43 42 54 9 24 49 57 10 33 34 0-9 30 Age (years) 10-19 20-29 30-39 40-49 26 50-59 56 28 1 27 35 37 26 12 15 Tally 19 18 47 27 21 20 11 34 (0) What is the width of each class interval? 50 34 Copy and complete the grouped tally chart for the data given. this sentence: 7 19 39 Frequency 25 3 (ii) How many people are in the class interval 30-39? (ii) How many people are less than 20 years old? (iv) How many people are 40 years of age or older? 20 29 33 37 W a of ca int cla

Answer

1. Ширина каждого классового интервала - 10 лет. 2. Группированная таблица частот для данных: 10-19: ||||| 20-29: ||||| 30-39: ||||| 40-49: |||| 50-59: |||| 3. В классовом интервале 30-39 6 человек. 4. Менее 20 лет - 9 человек. 5. 40 лет и старше - 8 человек.