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help! Total Bill Tip $126 $19 $58 $11 $86 $20 $20 $3 $59 $14 $120 $30 $14 $2 $17 $4 $26 $2 $74 $16 Mean
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Total Bill Tip $126 $19 $58 $11 $86 $20 $20 $3 $59 $14 $120 $30 $14 $2 $17 $4 $26 $2 $74 $16 Mean $60 $12 Standard deviation 41.57 9.45 Correlation 0.937 To determine whether the tip left at the end of a meal [response variable) is related to the size of the total bill (predictor variable) at their restaurant. Chez Michelle, data were gathered for 10 customers. The data and summary statistics are shown in the table. The averages, along with standard deviations as well as the correlation coefficient are already calculated. If the total bill was the predictor variable and the tip is the response variable, then the residual for the estimated tip for a total bill of 126$ is Note: 1- Round your numbers to 3 decimal places and choose the answer that is closest to your answer. Question 2 (1 point) \\/ Saved If A and B are two independent events, then P(AIB)= P(B) Question 4 (1 point) Consider the following table showing values of residuals (e), the difference between the observed data y and y: e 0.6 -0.2 -0.8 10.4 What is the standard deviation of the residuals? Note: 1- Only round your final answer to 1 decimal place. Enter your final answer with 1 decimal place. YourStep by Step Solution
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