Worksheets2.3 Intro to Normal Curve
Total questions: 17
Worksheet time: 10mins
The center of the curve represents what value of a data set?
μ = population mean
δ = population standard deviation
Σ= sum of the data values
Ζ = z or standard scores
A normal curve has a ____ shape.
skewed left
skewed right
bimodal
symmetrical
In a normal curve,
the mean is greater than the median
the mean is less than the median
the mean is equal to the median
who knows
What is Standard Deviation?
A measure of central tendency
A measurement of how much data varies
A measurement of how much data varies from the average
Which measure goes in the center of the Normal Curve?
standard deviation
mean
median
mode
What goes in the yellow box?
mean
median
mode
standard deviation
Which of the following graphs shows a normal curve?
On the normal curve graph, the positive standard deviations represent values ABOVE or BELOW the mean?
ABOVE
BELOW
What's the standard deviation?
150
60
240
30
If this is the graph of data normally distributed with a mean of 30 and a standard deviation of 5, what label (number) is written at the blue circle?
20
15
40
30
If this is the graph of data normally distributed with a mean of 30 and a standard deviation of 5, what label (number) is written at the blue circle?
40
35
45
50
Find and interpret P(2.5 ≤ Y ≤ 5.3)
There is a 2.8% chance that Jaden has to wait for the bus between 0 and 10 minutes.
There is a 2.8% chance that Jaden has to wait for the bus between 2.5 and 5.3 minutes.
There is a 0.28% chance that Jaden has to wait for the bus between 2.5 and 5.3 minutes.
There is a 28% chance that Jaden has to wait for the bus between 2.5 and 5.3 minutes.
Aaliyah’s property adjoins the bike path between the 0.5-mile mark and the 1.1-mile mark. Find and interpret P(0.5 ≤ Y ≤ 1.1).
The probability that Aliyah's property is between 0.5 mi and 1.1 mi from the bike path is 60%.
The probability that Aliyah's property is between 0.5 mi and 1.1 mi from the bike path is 20%.
The probability that Aliyah's property is between 0.5 mi and 1.1 mi from the bike path is 20 miles.
The probability that Aliyah's property is between 0.5 mi and 1.1 mi wide is 60%.
