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
Readme [11.4K]
3 years ago
5

Researchers want to determine if caffeine affects reaction time. They divide a sample of 150 people into 3 groups. Group 1 gets

a regular drink with no caffeine, group 2 gets a drink with 95 mg of caffeine, and group 3 gets a drink with 250 mg of caffeine. Each group is then given a test to gauge their reaction time. What is the appropriate test to use?
Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

One-way ANOVA

Step-by-step explanation:

One-way ANOVA(analysis of variance) a testing method in statistics that is used to compare the means of two or more independent samples, to check if the differences are statistically significant.

In this case, we have three groups which their various reaction time to caffeine is to be tested using the same testing method (amount of caffeine). Hence the appropriate test to use here is the one-way ANOVA

You might be interested in
Given that A varies directly as B and inversely as C and that; A=12 when B=3 and C=2. Find B when A=10 and C=1.5​
maria [59]

Answer:

B = 1.875

Step-by-step explanation:

given that A varies directly as B and inversely as C then the equation relating them is

A = \frac{kB}{C} ← k is the constant of variation

to find k use the condition A = 12 when B = 3 and C = 2 , then

12 = \frac{3k}{2} ( multiply both sides by 2 to clear the fraction )

24 = 3k ( divide both sides by 3 )

8 = k

A = \frac{8B}{C} ← equation of variation

when A = 10 and C = 1.5 , then

10 = \frac{8B}{1.5} ( multiply both sides by 1.5 )

15 = 8B ( divide both sides by 8 )

1.875 = B

8 0
2 years ago
45% of 80 show your work
Elan Coil [88]
.45 times 80

8 times 4 =32
8 times 0.5 =4

Just add these together to get 36.
4 0
3 years ago
Read 2 more answers
I need help with this question.
Citrus2011 [14]

Answer:

35

Step-by-step explanation:

5 0
2 years ago
GUYS AM I CORRECT?? I WILL MARK U BRAINLEST IF I GET IT RIGHT
Paul [167]

Answer:

Yes you are correct.

6 0
2 years ago
Read 2 more answers
I WILL GIVE BRAINLEST
jenyasd209 [6]

Jenny is a full-time college student at the local university. She is debating whether to purchase renter’s insurance or not. In at least one paragraph, give Jenny 3 reasons why purchasing renter’s insurance is important. Also, give your recommendation on how much renter’s insurance she should purchase and why.a. Answers will vary. Jenny should purchase at least$11,050 worth of coverage to ensure that all of her belongings are covered.

<h2>i HOPE IT'S HELP </h2>

8 0
3 years ago
Other questions:
  • A.<br> 18<br><br><br> B.<br> 36<br><br><br> C.<br> 72<br><br><br> D.<br><br><br> 216
    13·2 answers
  • Complete the pattern 444
    14·1 answer
  • The squirrel population in a forest area grows at the rate of 6% monthly. If there
    8·1 answer
  • at the movies are on byes popcorn for 525 and a bottle of water for 250 he pays with a $10 bill how much change should I run for
    5·1 answer
  • one of the requirements of becoming a court reporter is the ability to type 225 words per minute. Donald can currently type 180
    8·1 answer
  • How many solutions does -103x-6=-6x-103
    8·2 answers
  • Find the percent decrease round to the nearest percent from 93 Fahrenheit to 58 Fahrenheit the percent decrease is what percent
    5·1 answer
  • Put these numbers in order from greatest to least.
    15·1 answer
  • Learn with an example
    7·1 answer
  • Simplify: 5x( 3 - 12x )-3(4- 20x^2 )
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!