Lab 3C
Directions: Follow along with the slides and answer the questions in red font in your journal.
cdc
data as a sample for young people in the United States.
cdc
data into R
and fill in the blanks to take a convenience sample of the first 50 people in the data:bargraph
for the number of people in each grade
.
grade
for your sample would look similar when compared to the whole cdc
data?bargraph
for grade
using the cdc
data.
cdc
data and your convenience sample and write down how they differ.cdc
data, without replacement. Call this new sample s2
:grade
for this random sample will look more or less similar to the distribution from the whole cdc
data.
bargraph
for grade
based on this random sample to check your prediction.bargraph
s for grade
based on each of the following sample sizes: 10, 100, 1,000, 10,000.
tally()
the proportion of grade
s for your convenience sample and all your random samples.