1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Bezzdna [24]
3 years ago
8

Twenty students in Class A and 20 students in Class B were asked how many hours they took to prepare for an exam. The data sets

represent their answers. Class A: {2, 5, 7, 6, 4, 3, 8, 7, 4, 5, 7, 6, 3, 5, 4, 2, 4, 6, 3, 5} Class B: {3, 7, 6, 4, 3, 2, 4, 5, 6, 7, 2, 2, 2, 3, 4, 5, 2, 2, 5, 6} Which statement is true for the data sets? The mean study time of students in Class A is less than students in Class B. The mean study time of students in Class B is less than students in Class A. The median study time of students in Class B is greater than students in Class A. The range of study time of students in Class A is less than students in Class B. The mean and median study time of students in Class A and Class B is equal.
Mathematics
1 answer:
serg [7]3 years ago
7 0
CLASS A
Mean: 4.8
Median: 5
Range: 6

CLASS B
Mean: 4
Median: 4
Range: 5

Therefore, the mean study time of students in Class B is less than that of students in Class A.
You might be interested in
PLEASE HELP WILL MARK BRAINLEIST!!!!! 25 POINTS
Veseljchak [2.6K]
The answer is C 7
Hope this helps
8 0
3 years ago
List all the factors of 40
densk [106]
The foctor of 40 I this = 1,2,4,5,8,40
3 0
3 years ago
3+ (1/4)a = 31<br> need help !!
Olin [163]

Answer:

=

1

1

2

Step-by-step explanation:

.

3 0
2 years ago
Help please im lost and not good in math
Damm [24]
Answers: a = 49
b = 10
c = 105
8 0
3 years ago
Read 2 more answers
Danika signs up to work for 3 1/2 hours at the science fair. If each work shift is 3/4 hour, how many shifts will Danika work?
forsale [732]

namely, how many times does 3/4 go into 3½?  Let's firstly convert the mixed fraction to improper fraction.

\bf \stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{7}{2}\div \cfrac{3}{4}\implies \cfrac{7}{~~\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\cdot \cfrac{\stackrel{2}{~~\begin{matrix} 4 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}}{3}\implies \cfrac{14}{3}\implies 4\frac{2}{3}

5 0
3 years ago
Read 2 more answers
Other questions:
  • Which statements describe a residual plot for a line of best fit that is a good model for a scatterplot? Check all that apply. T
    8·2 answers
  • Suppose a social networking site has roughly 1,000,000 users, and as each
    15·1 answer
  • UPDATE: NEED HELP! DUE TONIGHT! THANK YOU!
    7·1 answer
  • Wich stem and leaf plot represents the data 10, 70, 37, 65, 80, 86, 70, 10, 15, 15, 15
    9·1 answer
  • The simplest form of the decimal 0.87 as a fraction l
    5·1 answer
  • What are the x-intercepts of the graph of the function below?<br><br> y = x2 + 2x-15
    15·2 answers
  • If K = (AB)/(A+B) , then B =?
    8·1 answer
  • Brianna went into a bakery and bought 2 cookies and 3 brownies, costing a total of $9.50. Nevaeh went into the same bakery and b
    5·1 answer
  • Help pls thnk You!!!!!!!!!!!!!!!!!!!!!!!!!!
    10·1 answer
  • PLEASE HELP!!!!!!!!!!!!!!!!!!! I'll NAME BRAINLIEST!!!!!!!!!!!!!!!!!A moving-van rental company uses the polynomial 110 + 0.65(m
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!