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MIS 301 Question and answers rated A+ 2024

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MIS 301 Question and answers rated A+ 2024 Test Statistic - correct answer x- bar = mean of sample Uo = mean of population O = standard deviation of population n = number (no. ) of observations Error - correct answer means variability, randomness, or chance Sample (means) - corre...

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  • August 27, 2024
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  • 2024/2025
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  • mis 301 question and answers rated a 2024

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MIS 301 / Shaul Quiz #2
Test Statistic - correct answer ✔x- bar = mean of sample
Uo = mean of population
O = standard deviation of population
n = number (no. ) of observations


Error - correct answer ✔means variability, randomness, or chance


Sample (means) - correct answer ✔- have less variability than individual
observations
- will be centered around the population mean
- are more normal than individual observations


Sample - correct answer ✔- as we increase the sample size, we have less
error
-sample with n>30


Ch. 7 notes on CLT - correct answer ✔-histogram takes on the shape of the
normal distribution
-Populations are unknown


CLT - correct answer ✔- way to go from the known to the unknown
-CLT states to draw all possible samples of a given size from a population.
The result is the sampling distribution of the means will approach the normal
distribution as the sample size increases.
-CLT never measures the population

, - CLT: being able to draw one sample and can then make statements about
the population


Chapter 8 (Confidence Intervals): - correct answer ✔-CI's acknowledge the
uncertainty associate with the samples, sampling
-confidence intervals are assignment risks
-Larger samples have less variability than smaller samples


When "n" increases (ch. 8) - correct answer ✔sigma decreases. This makes
the standard error of the mean decrease as well


when the Confidence Level increases (ch.8) - correct answer ✔the
confidence interval also increases


when alpha is increasing in the confidence level (ch.8 ) - correct answer
✔the confidence interval decreases


we like to have high confidence levels (ch.8) - correct answer ✔and narrow
(small) confidence intervals


as we increase the confidence level (ch.8) - correct answer ✔the interval
gets wider


as we decrease the confidence level (ch.8) - correct answer ✔the interval
gets narrower


using the Sigma or S equation (ch.8) - correct answer ✔effects the
confidence interval

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