What percent of data that is within 1 standard deviation?
68%
Correlation does not imply ______
Name the logical fallacy: Trust my fashion advice--I have a PhD in Math.
Appeal to False Authority
Solve for x:
2x-6=0
x=3
Global population is an example of _______ growth.
Exponential
99.7% of data is within how many standard deviations?
3
If we have mean 10 and standard deviation 4, what is the z-score of 16?
z-score = 1.5
Name the fallacy: A black cat passed my path yesterday and today I got fired. The unlucky cat caused me to get fired.
False Cause
(ad hoc ergo propter hoc)
Solve for x:
x^2-3x-4
x=-1,4
x=1, y=4
x=2, y=7
x=3, y=10
y=19 when x=6
The mean height of women:
65 inches.
A poll says 65% of people have made a recent purchase online with a margin of error of 4%. Determine the confidence interval.
[61%,69%]
What is heavier: 0.14 kilograms or 23 grams?
0.14 kilograms
What is the quadratic formula?
x=(-b\pm\sqrt{b^2-4ac})/(2a)
You charge $100 to credit card that charges 20% interest monthly. How much do you owe after m months?
100\times(1.2)^m
If a data point has z-score of 1, what is its percentile?
84%
Estimate the correlation coefficient for the following data:
Approximately -0.5
60 miles per hour is how many feet per second?
(1 mile = 5280 ft)
88 ft per second
When does a missile traveling the below path reach its maximum height?
h(t)=-2t^2+12t+24
t=3
Visuals exaggerate differences.