1245 Вправа 1245Алгебра 8 клас Бевз 2025 · § 25 · стор. 242

Умова

We surveyed the families of one building in the city about the number of cars and got the following results: 4, 3, 2, 0, 3, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 2, 0, 2. a) construct a frequency table; b) find the smallest value, the largest value, the arithmetic mean, and the mode of the sample.

Умова: вправа 1245: We surveyed the families of one building in the city about the number of cars and got the following results

Розв'язок

1245. We surveyed the families of one building in the city about the number of cars and got the following results: 4, 3, 2, 0, 3, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 2, 0, 2. a) construct a frequency table; b) find the smallest value, the largest value, the arithmetic mean, and the mode of the sample.

a)

Cars

0

1

2

3

4

Frequency

10

5

3

2

1

b) smallest 0, largest 4, mode 0;

0⋅10+1⋅5+2⋅3+3⋅2+4⋅121=2121=1.

Відкрити на сторінці 242 підручника →

Інші вправи: § 25

Вибірка. Середнє значення, мода вибірки