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BUS 302L STATS Questions and Answer | Latest Update 2024/2025 £8.57   Add to cart

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BUS 302L STATS Questions and Answer | Latest Update 2024/2025

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  • Bus 302L

When computing the variance of a sample, the sum of the squared deviations, E is divided by ~~> n-1 "Not equal to" rejection regions consists ~~> 2 regions; left/right tail If the correlation coefficient = 1 ~~> standard ERROR ESTIMATE "Sz" = 0 The expected value of a random var...

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  • September 16, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Bus 302L
  • Bus 302L
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1 | P a g e | © copyright 2024/2025 | Grade A+




BUS 302L STATS Questions and
Answer | Latest Update 2024/2025
When computing the variance of a sample, the sum of the squared

deviations, E is divided by


✓ ~~> n-1




"Not equal to" rejection regions consists


✓ ~~> 2 regions; left/right tail




If the correlation coefficient = 1


✓ ~~> standard ERROR ESTIMATE "Sz" = 0




The expected value of a random variable is


✓ ~~> a long run weighted average




If there is 2+ random samples, the standard error mean is


✓ ~~> smaller than the population standard deviation




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+


If you have product output data, TC production, you can estimate FC/VC by

using


✓ ~~> Linear regression




Choose of a probability for your typer II error


✓ ~~> not part of hypothesis step




The binomial distribution takes _____ values


✓ ~~> integer




Increasing sample size "n" causes


✓ ~~> decrease in sigma mean




Statistic


✓ ~~> summarize SAMPLE data




*random variables




Parameter




Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+


✓ ~~> summarize POPULATION data




Reasons to calculate the mean data set


✓ ~~> find measure of location




Normal distribution doesn't have a mean of


✓ ~~> 0




P value is > a you


✓ ~~> reject the null




Do NOT use mean if


✓ ~~> the number of observations is small or with extreme values




Mean


✓ ~~> Half of the observations in a data set are greater




Median


✓ ~~> middle value




Master01 | September, 2024/2025 | Latest update

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