MGT$3100$ Exam #$2($Chapter $4$b $-$ pg$89$ thru Chapter $8)$

Due $28-$Mar$-2024$

Spring $2024$

Name :

MULTIPLE CHOICE $-$ TRUE $/$ FALSE : Choose $($Circle$)$ the one alternative that best completes the statement or answers the question. $($Each question is worth $1$ point $)$

In a normal distribution, the peak of the bell curve will always be at the Median point.

True

False

In normal distribution, $3-$Sigma or $3-$Standard Deviations would be expected to cover this amount of the data.

A$)68\%$

B$)95\%$

C$)99\%$

D$)100\%$

A study has been conducted that shows negative correlation exists between GPA's and amount of nightly sleep. This means :

A$)$ The more you sleep, the higher the GPA you should expect.

B$)$ This is not a possible correlation scenario.

C$)$ The less you sleep, the lower the GPA you should expect.

D$)$ The more you sleep, the lower the GPA you should expect.

For Predictive modeling $-$ the x$-$axis contains the :

A$)$ Dependent variable

B$)$ Independent variable

C$)$ Subjective variable

D$)$ Either independent or dependent variable

A study has found that students at Carthage carry an average of $15$ credits with a standard deviation of $2$ credits. Which is true :

A$)2/3$ of students at Carthage carry between $11$ and $19$ credits

B$)$ Less than $1\%$ of students at Carthage carry more than $21$ credits

C$)95\%$ of students at Carthage carry between $11$ and $19$ credits

D$)$ B & C are both correct