The scatter plot shows the number of households, in millions, that have cable television over eight consecutive years.

Scatter plot with x axis labeled Time in Years and y axis labeled Number of Households with points at 1 comma 3 and 8 tenths, 2 comma 5 and 8 tenths, 3 comma 6 and 2 tenths, 4 comma 7 and 5 tenths, 5 comma 7 and 2 tenths, 6 comma 8 and 3 tenths, 7 comma 9 and 3 tenths, and 8 comma 8 and 5 tenths.

Which of the following is an appropriate line of best fit?

y hat equals negative 13 hundredths times x plus 4 and 65 hundredths.
y hat equals 13 hundredths times x plus 4 and 65 hundredths.
y hat equals negative 67 hundredths times x plus 4 and 5 hundredths.
y hat equals 67 hundredths times x plus 4 and 5 hundredths.

Question

02-11-2022
Mathematics

Answered

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The scatter plot shows the number of households, in millions, that have cable television over eight consecutive years.

Scatter plot with x axis labeled Time in Years and y axis labeled Number of Households with points at 1 comma 3 and 8 tenths, 2 comma 5 and 8 tenths, 3 comma 6 and 2 tenths, 4 comma 7 and 5 tenths, 5 comma 7 and 2 tenths, 6 comma 8 and 3 tenths, 7 comma 9 and 3 tenths, and 8 comma 8 and 5 tenths.

Which of the following is an appropriate line of best fit?

y hat equals negative 13 hundredths times x plus 4 and 65 hundredths.
y hat equals 13 hundredths times x plus 4 and 65 hundredths.
y hat equals negative 67 hundredths times x plus 4 and 5 hundredths.
y hat equals 67 hundredths times x plus 4 and 5 hundredths.

Sagot :

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