Math Maps Review 6THgd 7th Grade Exam Questions And Answers Latest 2025.docx

Math 225N week 2 Exam Questions And
Answers Latest 2025
Question
The frequency table below shows the ages of the students in a
psychology lecture hall.
Complete the Relative Frequency column of the table. Enter
answers as an unsimplified fraction.
Provide your answer below:
Age. 17 18 19 20 21 22
Frequency. 9 18 27 30 21 15
Relative Frequency -
correct answer ✅AgeFrequency
RelativeFrequency
1799120=0.075181818120=0.15192727120=0.225203030120=0.25
212121120=0.175221515120=0.125


Question
The relative frequencies for a set of data are shown in the table
below.
ValueRelative Frequency10.1520.3030.4540.10
If there are a total of 40 data values, with what frequency does the
data value 1 occur?

,Math 225N week 2 Exam Questions And
Answers Latest 2025
Provide your answer below: -
correct answer ✅Dividing each frequency by the total number of
data values gives the relative frequency. Multiplying the relative
frequency by the total number of data values gives the frequency.
The data value 1 occurs with relative frequency 0.15 in a data set of
40 values, the frequency of the data value 1 is0.15(40)=6.
The data value 1 occurs 6 times.


Given the relative frequency table below, which of the following is
the corresponding cumulative relative frequency table?
Value
Relative Frequency
2
0.23
3
0.33
4
0.24
5
0.2

, Math 225N week 2 Exam Questions And
Answers Latest 2025
Select the
correct answer below:
Value
Cumulative relative frequency
20.2330.5640.851
Value
Cumulative relative frequency
20.2330.4640.851
Value
Cumulative relative frequency
20.3330.5640.851
Value
Cumulative relative frequency
20.1330.5640.851 -
correct answer ✅Answer Explanation
Correct answer:
Value:2 3 4 5.
cuulative relative frequency: 0.23 0.56 0.8 1