Triangles
2D/3D Shapes
Center and Variation
Probability
Statistics
100
Find the value of a.
a = sqrt of 63
100
Find the area of the trapezoid.
area = 225 cm^2
100
This red line seperates the northern and southern hemispheres of our planet.
What is the equator?
100
You flip a coin and select a random month of the year. How many possible outcomes are there?
24 possible outcomes
100
We randomly selected 10 students from each grade at LHS. The average height of the students was 66 inches. 1) name the type of sample and 2) is this value a statistic or a parameter?
Cluster sample, statistic
200
Find the approximate value of x.
x = 16.17
200
Find the surface area of the following cone.
96pi or 301.59 in^2
200
Here are values of students heights in inches. What is the interquartile range of the heights from our sample?
61, 70, 65, 63, 69, 73, 80, 71, 64, 66
IQR = 7 inches
200
What percent of people with blood type A are female?
48.9%
200
In 2000, this president won the presidential election, despite losing the popular vote by around 500,000 voters.
Who is George W. Bush?
300
This triangular area is known for the amount of ships, planes and people that have disappeared navigating its waters.
What is the bermuda triangle?
300
Find the surface area of the following hemisphere.
300pi or 942.48cm^2
300
Name a graph used to describe categorical data.
Bar graph, pie graph
300
What is the probability that a randomly selected person who responded yes, will be from City A?
.4 or 40%
300
The average score on the geometry test was 87 with a standard deviation of 3. What is the probability that a randomly selected student scored above a 90.
.16 or 16%
400
Find the value of angle x.
60 degrees
400
Find the area of the shaded region of the sector.
10.67 pi or 33.51 un^2
400
What would be the best measures of center and variation for the following distribution?
Median and IQR because they are resistant to Skew/Outliers.
400
At a farmer’s market, 75% of customers buy produce, 6% of customers buy produce and meat, and 1% of customers buy produce and flowers. What is the probability that a customer who buys produce also buys meat?
.08 or 8%
400
Jacen claims that Lakeridge averages 10 goals a game. In a sample of 8 games, they scored an average of 10.5 with a standard error of 3 goals. Create a 95% confidence interval for the average number of goals the lacrosse team scores.
(4.5, 16.5)