Worksheets12B Final Exam
Total questions: 30
Worksheet time: 2hrs 7mins
The mode is always equal to at least one of the values in the data set.
True
False
What is the second step to take when attempting to find IQR?
Find the lower and upper quartile.
Find the median.
Put the list of numbers in order.
Subtract the lower and upper quartile.
Find the interquartile range using the following.
Minimum: 1
Q1: 2.5
Median: 5
Q3: 7.5
Maximum: 9
5
4.5
3.5
6
Find the median, first quartile, third quartile, and interquartile range of the data.
32, 53, 72, 66, 47, 54, 49, 67, 71
Median: 54
First Quartile: 49
Third Quartile: 67
IQR: 18
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 21
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 22
Median: 54
First Quartile: 49
Third Quartile: 69
IQR: 20
A swimwear company decides to select a month for its annual sale. Find the probability that it will be June or July.
What is the probability of flipping a coin
4 times and getting heads three times in a row?
1/8
1/6
1/16
1/32
How many ways can the Peppa Pig Society choose a Peppa, George, Mummy Pig, and Daddy Pig from a group of 12 people?
60
495
1,320
11,880
How many different ways can you create a 4-digit locker code using numbers 0 - 9 WITH repetition?
10000
5040
The number of balloons popped during math class.
X 50 20 5
P(X) 0.1 0.3 0.6
The table shows a probability distribution of a random variable Z.
What is the variance of Z?
(a)
The table shows a probability distribution
of a random variable Z.
What is the standard deviation of Z?
Round to the nearest hundredth.
(a)
True or false: The last step in solving for variance is to take the square root of the standard deviation.
True
False
Step one in solving for variance of random variables is to calculate expected value.
True
False
For Taymar's fundraiser, there is a raffle with 125 tickets. One ticket will win a $900 prize, and the rest will win nothing. X is the payoff for one ticket in the raffle. Write the probability distribution of X in the table below.
Write each probability as an exact decimal.
$0, 0.5
$900, 0.5
$0, 0.01
$900, 0.99
$0, 0.008
$900, 0.992
$0, 0.139
$900, 0.861
Evaluate:
(a)
How many ways can you create a 4-digit locker code using numbers 0 - 9 WITHOUT repetition?
10000
5040
Time remaining until graduation.
Measures of central tendency--mean, mode, and median--show how close to the central value your data will be
True
False
Measures of (a) describe how far apart from the center our data varies.
What will you miss most about high school.
Learning new things
Hanging with friends
The teachers
Get me out of here
What is your favorite memory from high school?
P(green) =
Use the table which gives the number of passengers from the Titanic who survived or died and their cabin class. What is the probability that the passenger was in 2nd class?
0.2156
0.2460
0.5383
0.0896
The number of times A'Kayla broke Von's glasses during math class
Discrete
Continuous
Savage
BYE
