If the scores of five students are 98, 92, 89, 84, and 81, what is the average (mean) of their grades?

Quiz Week 9

Quiz
•
Mathematics
•
8th - 11th Grade
•
Medium
Sijia Cen
Used 7+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
88.8
89.5
87.5
90.2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In a class, the final grade is determined by homework (30%), quizzes (20%), and the final exam (50%). A student scored 80 on homework, 75 on quizzes, and 90 on the final exam. What is the student's final weighted grade?
82.5
85.0
86.5
84.0
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A company uses weighted averages to calculate employee performance scores. The employee's performance is evaluated based on Communication (30%), Productivity (40%), and Teamwork (30%). An employee received scores of 90 in Communication, 85 in Productivity, and 88 in Teamwork. What is the employee’s final performance score?
87.7
88.5
89.2
87.4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A survey of 250 households is conducted in a town. Based on the survey, the following results are found. What is the average number of pets per household?
1.32
1.45
1.67
1.80
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A survey of 300 households is conducted to determine how many TVs each household has. The following results are recorded. What is the average number of TVs per household?
1.57
1.66
1.78
1.90
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0.644
0.522
0.467
0385
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
104.3
105.6
106.7
109.1
Create a free account and access millions of resources
Similar Resources on Wayground
10 questions
APS: Unit 3- Experimental Design

Quiz
•
11th - 12th Grade
12 questions
8.5D Trend Lines and Linear Relationships

Quiz
•
8th Grade
10 questions
Measures of Central Tendency

Quiz
•
6th - 12th Grade
10 questions
Sampling and Survey Insights: Calculating and Interpreting Data

Quiz
•
10th Grade - University
10 questions
TEKS 8.5D Using Trendlines to Make Predictions

Quiz
•
8th Grade
16 questions
Confidence Intervals Review

Quiz
•
11th Grade - University
15 questions
Finding Expected Values of Random Variables

Quiz
•
9th - 12th Grade
15 questions
Random Variable Expected Value

Quiz
•
9th - 12th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade