WorksheetsStatistics Benchmark 1 Review
Total questions: 41
Worksheet time: 2hrs 36mins
How many baseball teams scored 0 runs per inning?
4
3
2
1
Given the following class limit, what would the class boundary be?
20 - 22
20.5 - 21.5
20.5 - 22.5
19.5 - 21.5
19.5 - 22.5
How do you calculate the standard deviation?
Divide the variance by 2.
Its a long process and I can't explain it right now.
Find the mean and multiply it by the variance.
Take the square root of the variance.
In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?
0.53
0.41
0.35
0.22
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
What is the outlier?
What is the Mode with the outlier?
What is the Median with the outlier?
A real estate agent surveys people about their housing preferences at an open house for a luxury townhouse.
Biased Sample
Unbiased Sample
A public library asked every 10th person who entered to name the type of book they were getting.
Biased
Unbiased
To get valid results, a sample must be...
biased
unbiased
Choose the best option below about the values of the mean and the median.
Mean is larger than the median
Mean is smaller than the median
Mean and median are approximately equal
The relationship between the mean and the median cannot be determined.
Choose the best option below about the values of the mean and the median.
Mean is larger than the median
Mean is smaller than the median
Mean and median are approximately equal
The relationship between the mean and the median cannot be determined.
How do you find the MEAN?
Add the numbers together, then subtract the quantity of numbers
Add the numbers together, then multiply the quantity of numbers
Add the numbers together, then divide by the quantity of numbers
Can there be more than one MODE?
What is the class width of the given GROUPED Freq. Dist.
9
10
8
None of the above
What does "n" represent?
Total Frequency
width
midpoint
mean
FInd the Mean of the given data
20.2
20.7
14.1
13.99
How many sections does a boxplot divide the data into?
6
4
3
2
The 5 Number Summary (in the correct order) is...
Q1, Median, Q3, Xmax, Xmin
Range, IQR, Mean, Median and Mode
Xmax, Xmin, mean, median, mode
Xmin, Q1, Median, Q3, Xmax
What percentage of the data makes up each quartile?
25%
50%
75%
100%
What is the lower quartile (Q1)?
The upper half of the data set when the values are ordered
The middle of the entire ordered data set
The median of the lower half of the ordered data set
The minimum value in the data set
On a boxplot, what percentage of data is located within the box?
25%
50%
75%
100%
The interquartile range (IQR) and the 'box' in the boxplot both focus on
The lower 50% of the data
The upper 50% of the data
The middle 50% of the data
100% of the data
What is the Range with the outlier?
An algebra teacher at the local community college will only pass 5 students this semester because they were in a bad mood.
Descriptive
Inferential
According to the 2016 Census the population of Hartsville, SC was 7,768.
Inferential
Descriptive
There is a chance that by the year 2040 that the human growth rate will hit an all time low.
Descriptive
Inferential
From a past study from the American Dental Association it was found that 92% of Adults age 20-65 have suffered from at least one cavity.
Descriptive
Inferential
5, 8, 9, 11, 13, 16, 22
If the mean of your data is 65 and the median is 52, the distribution is...
left-skewed
right-skewed
symmetrical
