LER Fall 2020 Common Core Math 8 S1 Enguish
Timing in E MISSIng Data
Determine what each letter in the table should be to
complete this two-way table.
A survey of 80 students found that 24 students both play
in a band and play a sport. But 22 students are not in
band and do not play a sport. There are 48 students in
the band. If being in band is the row variable and playing
sports is the column variable, fill in the labels in the table.
VX
b=
d =
Play
Sports
Do Not
Play
Total
Sports
g=
✓
24
b
In Band
Not In Band
48
h=
d
22
Total
f
80
9
h
Intro

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

answer: c. is your answer

step-by-step explanation: get me a black leather coat