Dados Estatisticos: Coletar dados sobre um tema atual, criar gráficos e tabelas para representar esses dados, e fazer uma analise das informaçöes obtidas. Exemplos de temas: consumo de água na escola, tempo gasto em atividades diânias, etc.

Use the technique of linear regression to find the line of best fit for the given points. Round any intermediate calculations to no less than six decimal places, and round the coefficients to two decimal places. Answer \( (1,10),(2,6),(3,3),(4,10),(5,4),(6,3),(7,2) \)

A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below. 153 said size. 232 said brand. 168 said color. 95 said size and brand. 62 said color and size. 101 said color and brand. 21 said all three. 92 said none of these How many buyers were influenced by color and size, but not brand? How many buyers were not influenced by color? How many buyers were surveyed? Question Help: Video Check Answer

4) In a telephone poll of 25 people, 9 people said they like shopping. What is the ratio of the number of people who do not like shopping to the number of people who like shopping? \[ 16: 9 \] \( 50: 16 \)

ما هو الرسم البياني Scatter Plot وكيف يُستخدم لتمثيل البيانات؟

If a scatter plot shows points that are closely clustered together, what can you infer about the correlation between the variables?