Mean, median, mode, range & outliers
Of the measures of center, this one is the most resistant to outliers
What is the median?
If you randomly pick a card from a deck of 52, what is the probability that you will pick a RED card?
What is 26/52 or 1/2?
The z* for an 95% confidence interval?
What is 1.96?
An organization reports that a 90% confidence interval for the true mean grade is 84 to 90. What is the point estimate from this interval?
What is 87?
The author of Romeo and Juliet
Who is William Shakespeare?
In the number set 10,9,4,4,8,8,8,4,7,6,11,14 find the mode
What is 4 & 8?
If you randomly select a card from a deck of 52, what is the probability of selecting a RED KING?
What is 2/52 or 1/26?
What happens to the width of the intervals when you increase your confidence level
What is the width increases?
The formula for a one-sample proportion confidence interval
What is p-hat +/- z*sqrt(p-hat*(1-p-hat)/n) ?
The most played song this week (according to Spotify charts)
What is As It Was (Harry Styles)?
Rearrange the following numbers to fine the median: 6,3,9,6,1,3,7
What is 6?
If you randomly select a card from a deck of 52, what is the probability that you will select a FACE card OR a RED card?
22/52 or 11/26
What happens to the width of the intervals when you increase Margin of Error
What is the width increases?
The three criteria that must be met in order to use a confidence interval
What are 1. Random Sample, 2. 10% Rule (sample is less than 10% of population & 3. Large Counts (np & n(1-p) are >= 10) ?
The number of prime numbers between 1 and 30 (inclusive).
What is 10?
(2, 3, 5, 7, 11, 13, 17, 19, 23, 29)
Find a possible missing value in the set of data if the range is 20. 14, 8, 17, 21, ____, 11, 3, 13
What is 1 or 23?
If you randomly select a card from a deck of 52, given that the card is red, what is the probability of selecting a FACE card?
What is 6/26 or 3/13?
The z* for an 90% confidence interval
What is 1.645?
An organization reports that a 90% confidence interval for the true mean grade is 83 to 96. What is the margin of error from this interval?
What is 6.5?
The longest running game show on television
What is the Price is Right?
Frank has 3 nickels, 5 dimes, and 2 quarters. Find the mean, median, mode and range of the values of Frank's coins.
What is mean: 11.5 cents, median: 10 cents, mode: 10 cents, range: 20 cents?
If you randomly select a card from a deck of 52, are the events selecting a red card and selecting a face card INDEPENDENT events? Show how you know.
What is YES? P(face card) = 12/52 or 3/13
P(face card | red) = 6/26 = 3/13
P(face card | not red) = 6/26 = 3/13
The z* for an 84% confidence interval
What is 1.41 (or 1.405)?
A simple random sample of 300 high school seniors in a particular city is taken, and it is found that 250 of those students do not take the bus to school. Construct a 90% confidence interval for this parameter.
What is (.798, .868)?
The person who wrote the hit song "I Will Always Love You"
Who is Dolly Parton?