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Mickie
Questions (6)
Rejecting the null hypothesis of no linear regression implies that changes in x cause changes in y.
True False
1 answer
515 views
If X and Y are uncorrelated in the population, the expected value of the estimated linear regression coefficient (slope) is 0.
Tr
1 answer
423 views
The time it takes to run a road race is normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes.
1 answer
653 views
For Tommy Bench, a minor league pitcher, the times between pitches are normally distributed with a mean of 36 seconds and a
1 answer
875 views
The assembly times for a toy car follow a normal distribution with a mean of 55 minutes and a standard deviation of 4 minutes.
2 answers
661 views
I need to have an essay written about a book and the scientific relation behind it. I would do it myself but I'm not sure I know
2 answers
512 views
Answers (1)
work= force*displacement since the question asks only for the work done of f1: Work(f1)=20N*.600m ans. 12J
