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
Arte-miy333 [17]
3 years ago
10

The reaction times for a random sample of 9 subjects to a stimulant were recorded as 2.5, 3.6, 3.1, 4.3, 2.9. 2.3, 2.6, 4.1, and

3.4 seconds. Calculate (a) the mean; (b) the median. 8.4 The number of
Mathematics
1 answer:
Helen [10]3 years ago
6 0

Answer:

Mean is 3.2

Median is 3.1

Step-by-step explanation:

a) mean

= (2.5+3.6+3.1+4.3+2.9+2.3+2.6+4.1+3.4)/9

= 28.8/9

= 3.2

b) median: we will arrange in ascending order and pick the middle term.

2.3 2.5 2.6 2.9 3.1 3.4 3.6 4.1 4.3

From the above order, 3.1 is the middle term and is the median

You might be interested in
How do I solve this problem?
Andrews [41]

so the line is dog so we know the full line is 60 units long. The 2 parts (do and og) add up to the full length so we can make the equation:

(4x-3)+(2x+21)=60

6x+18=60

6x=42

x=7

if you need to fine do or og, just plug in x to its equation

6 0
3 years ago
The first four terms of a sequence are shown below:
Marta_Voda [28]

Answer:

Step-by-step explanation:

Since each term is decreased by three f(n+1)=f(n)-3

7 0
3 years ago
For Emily's birthday, her father treated her and five friends to a dinner at a restaurant at the mall. Emily and her friends ord
erma4kov [3.2K]

Answer:

$58.26.

Step-by-step explanation:

Total cost without sales tax and tip =  3 * 6.25 + 3 * 7.50 + 6 *1.25

= $48.75

Plus Sales tax and tip:

= 48.75 + 0.045*48.74 + 0.15*48.75

= $58.26.

5 0
3 years ago
Type the correct answer in the box. Use numerals instead of words.
vazorg [7]

Answer:

30%

Step-by-step explanation:

plato

4 0
3 years ago
Which of the following scatterplots do not show a clear relationship and would not have a trend line?
docker41 [41]

Answer:

the second one

Step-by-step explanation:

it is not going in any general direction

5 0
2 years ago
Other questions:
  • Please Hurry its for a test
    8·1 answer
  • If A = James's present age, write an expression for his age seven years from now.
    10·1 answer
  • What is the capacity of the cube in liters?
    15·2 answers
  • Y = -4.5x + 15<br><br> is this not a function, linear function, or nonlinear function
    7·1 answer
  • Find the standard form of the equation of the parabola with a focus at (-2, 0) and a directrix at x = 2.
    6·1 answer
  • Help w number 8, will mark brainliest !!!
    8·1 answer
  • Given P(A) = 0.56, P(B) = 0.45 and P(B|A) = 0.7, find the value of
    5·2 answers
  • shirley has $540 un her bank account. She withdraws $35 each week to cover her expenses. write an equation that relates the amou
    13·1 answer
  • Help me I’m on gradpoint. I will mark you brainlest if you can also find the website to get all gradpoint answers!
    5·1 answer
  • What is the inverse of multiplication?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!