Mathematics, 16.12.2020 01:10 cbogrett
Mrs. Sparks is a 9th-grade Algebra 1 teacher. She teaches three
Algebra 1 courses and all the classes recently took a chapter exam.
Below are the scores.
Class 1: 45, 68, 77, 90, 90, 95, 100, 100, 86, 90, 50, 55
Class 2: 64, 65, 70, 40, 100, 87, 84, 88, 90, 90, 95, 80
Class 3: 70, 75, 75, 90, 100, 80, 55, 65, 76, 80, 88, 99
a. Find the mean, median, mode, and range of Class 1.
b. Find the mean, median, mode, and range of Class 2.
c. Find the mean, median, mode, and range of Class 3
f. Find the standard deviation of Class 1.
e. Find the standard deviation of Class 2.
f. Find the standard deviation of Class 3.
g. Which class had a higher standard deviation and what does that mean?
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 18:00
Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?
Answers: 1
Mathematics, 21.06.2019 18:00
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
Answers: 1
Mathematics, 21.06.2019 21:50
What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality
Answers: 3
You know the right answer?
Mrs. Sparks is a 9th-grade Algebra 1 teacher. She teaches three
Algebra 1 courses and all the class...
Questions
