Worksheetsnormal distribution 6.1A
Total questions: 10
Worksheet time: 50mins
A normal distrabution curve is also known as...?
right skewed
a bell curve
J-shape
U-shaped
The shape and position of a normal distribution curve depend on what two parameters?
proportion and mean
proportion and standard deviation
mean and standard deviation
variance and proportion
Standard deviation is a measure of what?
spread
variance
range
median
A distribution with a larger standard deviation is....
right skewed
left skewed
lower/more spread out
high / less spread out
Whitch properties of the theoretical normal distributions are true
the curve always touches x-axis
curve is unimodal
curve is bimodal
curve is u-shaped
When the data values are evenly distributed about the mean, the distribution is said to be....?
upside down
symmetric
negatively skewed
positivley skewed
When the majority of data falls to the right of the mean..? (mark all that apply)
negatively
right skewed
left skewed
positive
What is mean?
the number that appears the most
the total of numbers divided by how many numbers there are
the difference between the largest and smallest number
the number in the middle
When the majority of the data values fall the the left of the mean, the distrabution is?
right skewed
positive
negative
left skewed
What is a normal distrabution?
the number of standard deviations a given data point lies above or below mean
the measure of spread
a probability distrabution that is symmetric about the mean
the measure of the likelihood that an event will occur in a Random Experiment
