Thompson Photo Works purchased several new, highly sophisticated processing machines. The production department needed some guidance with respect to qualifications needed by an operator. Is age a factor? Is the length of service as an operator (in years) important? In order to explore further the factors needed to estimate performance on the new processing machines, four variables were listed: x1 = Length of time an employee was in the industryx2 = Mechanical aptitude test scorex3 = Prior on-the-job ratingx4 = Age Performance on the new machine is designated y. Thirty employees were selected at random. Data were collected for each, and their performances on the new machines were recorded. A few results are: Performance on New Machine,Length of Time in Industry,Mechanical Aptitude Score,Prior On-the-Job Performance,Age,Nameyx1x2x3x4Mike Miraglia118 11 343 122 50 Sue Trythall116 8 307 128 21 The equation is:yˆy⁢^⁢ = 10.2 + 0.2x1 + 0.486x2 + 0.812x3 + 0.008x4 What is this equation called? Multiple regression equationMultiple standard error of estimateCoefficient of determination How many dependent and independent variables are there? What is the number 0.486 called? Regression coefficientCoefficient of determinationHomoscedasticityMulticollinearity As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.) Carl Knox applied for a job at Photo Works. He has been in the business for 11 years and scored 220 on the mechanical aptitude test. Carl’s prior on-the-job performance rating is 95, and he is 57 years old. Estimate Carl’s performance on the new machine. (Round your answer to 3 decimal places.) a. What is this equation called?O Multiple regression equationO Multiple standard error of estimateO Coefficient of determinationb. How many dependent and independent variables are there?dependent,independent.c. What is the number 0.486 called? c. What is the number 0.486 called?Regression coefficientO Coefficient of determinationHomoscedasticityMulticollinearityd. As age increases by one year, how much does estimated performance on the new machine increase? (Round youranswer to 3 decimal places.)The estimated performane increases bye. Carl Knox applied for a job at Photo Works. He has been in the business for 11 years and scored 220 on the mechanicalaptitude test. Carl's prior on-the-job performance rating is 95, and he is 57 years old. Estimate Carl's performance on thenew machine. (Round your answer to 3 decimal places.)Estimated performane

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Thompson Photo Works purchased several new, highly sophisticated processing machines. The production department needed some guidance with respect to qualifications needed by an operator. Is age a factor? Is the length of service as an operator (in years) important? In order to explore further the factors needed to estimate performance on the new processing machines, four variables were listed:

x₁ = Length of time an employee was in the industry

x₂ = Mechanical aptitude test score

x₃ = Prior on-the-job rating

x₄ = Age

Performance on the new machine is designated y.

Thirty employees were selected at random. Data were collected for each, and their performances on the new machines were recorded. A few results are:

	Performance on New Machine,	Length of Time in Industry,	Mechanical Aptitude Score,	Prior On-the-Job Performance,	Age,
Name	y	x₁	x₂	x₃	x₄
Mike Miraglia	118		11		343	122	50
Sue Trythall	116		8		307	128	21

The equation is:

yˆy⁢^⁢ = 10.2 + 0.2x₁ + 0.486x₂ + 0.812x₃ + 0.008x₄

What is this equation called?

Multiple regression equation
Multiple standard error of estimate
Coefficient of determination

How many dependent and independent variables are there?

What is the number 0.486 called?

Regression coefficient
Coefficient of determination
Homoscedasticity
Multicollinearity

As age increases by one year, how much does estimated performance on the new machine increase? (Round your answer to 3 decimal places.)

Carl Knox applied for a job at Photo Works. He has been in the business for 11 years and scored 220 on the mechanical aptitude test. Carl’s prior on-the-job performance rating is 95, and he is 57 years old. Estimate Carl’s performance on the new machine. (Round your answer to 3 decimal places.)

a. What is this equation called?
O Multiple regression equation
O Multiple standard error of estimate
O Coefficient of determination
b. How many dependent and independent variables are there?
dependent,
independent.
c. What is the number 0.486 called?

c. What is the number 0.486 called?
Regression coefficient
O Coefficient of determination
Homoscedasticity
Multicollinearity
d. As age increases by one year, how much does estimated performance on the new machine increase? (Round your
answer to 3 decimal places.)
The estimated performane increases by
e. Carl Knox applied for a job at Photo Works. He has been in the business for 11 years and scored 220 on the mechanical
aptitude test. Carl's prior on-the-job performance rating is 95, and he is 57 years old. Estimate Carl's performance on the
new machine. (Round your answer to 3 decimal places.)
Estimated performane

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