Let's talk about having class
True or False
relative frequency=frequency/total number of observations
true
true or false: in a histogram, the height of each bar represents the frequency of that particular class
true
VV wanted to know how many boxes of tissues were sold during COVID-19. What is the population, what is the parameter
pop: all tissues
para: during the pandemic
what is the max class size in a relative frequency
there is none
when you want to compare the shape of two or more distributions you should use a?
what is the equation for class width
h#-l#
usually this graph is used for qualitive data
bar graph
Jackie
Jackie wanted to know how many people wanted vanilla ice cream from Baskin Robbins. She went there and asked all of the customers and non had it. What happened?
response bias/sampling bias/
an observation that is unusually large or small relative to the other values in a data set
outlier
this round graph also is used for qualitative data
pie chart
value in the center of a class
midpoint
if the y axis does not start at 0, why should not trust the graph?
its skewed
Kassandra:
Kassandra wanted to know how many french fries she could get out of a bag of potatoes. And then she wanted to see the percentage of those fries she could fry at a time in a fryer. What is the population, the sample, and the statistic
pop: all the potatoes
sample: all of the fries once cut from the potatoes
statisc: number of fries in a basket at one time