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
attashe74 [19]
3 years ago
13

A researcher is interested in determining whether typists are most productive in the morning, at midday, in the evening, or late

at night. To answer this question, the researcher recruits 20 participants and assigns 5 participants to be measured at each time of day. To evaluate productivity, the researcher measures words typed per minute at each time of day.
Morning Midday Evening Night
99 42 80 82
80 32 83 78
99 45 94 79
98 49 70 97
79 38 79 96
Mean 91 41.2 81.2 86.4
SStotal = 9094.95
What are the degrees of freedom for the numerator of the F-ratio?
a. 2
b. 3
c. 16
d. 19
Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

Answer:

d. 19

Step-by-step explanation:

Degrees of freedom is the number is the number of value which is used in the final calculation. It calculate as n-1, where n is the sample size. The degrees of freedom for the given scenario is 19. The sample size is 20 so the degrees of freedom is 1 less which will be 19.

You might be interested in
The temperature was -3° last night it is now -4° see what was the change in temperature was-3° C. It is -4° C. What was the chan
raketka [301]

Answer:

The temp got colder by -1

Step-by-step explanation:

The difference of -3 to -4

-4 + -3 = -1

7 0
3 years ago
Please help me with this sum​
barxatty [35]

Answers:

781 × 8 = 6248

231 × 7 = 1617

421 × 6 = 2526

531 × 5 = 2655

681 × 2 = 1362

951 × 4 = 3804

741 × 3 = 2223

361 × 3 = 1083

931 × 7 = 6517

821 × 2 = 1642

8 0
2 years ago
Help please thankssss
Bad White [126]
The answer to your question is r=6
8 0
1 year ago
PLEASE HELP!!! i will give brainliest!!!
Lena [83]

Answer:

2. unabated

3. vindication

4. commence

5. prudence

6. denunciation

Step-by-step explanation:

6 0
3 years ago
Bertannyarumus luas lingkaran
lara [203]
First of all that is NOT math and second of al that is not english 
3 0
3 years ago
Other questions:
  • A plane has 360 total seats, which are divided into economy class and business class. For every 13 seats in economy class, there
    12·2 answers
  • HELP WITH ALGEBRA 1
    6·1 answer
  • An extremely simple (and surely unreliable) weather prediction model would be one where days are of two types: sunny or rainy. A
    5·1 answer
  • Variable y varies directly with x2, and y = 96 when x = 4.
    13·1 answer
  • What is the surface area of a prism with height of 11 width of 5 and length of 12
    7·1 answer
  • Alejandro decided on purchasing a $160,000 home. At closing he brought a
    5·1 answer
  • Help i'll give brainlesttt
    10·2 answers
  • The volume of a cube of ice for an ice sculpture is 64,000 cubic inches.
    10·1 answer
  • Whats the solution pls help
    15·2 answers
  • Greg deposited $4000 into an account with a 9.8% annual interest rate, compounded semiannually. Assuming that no withdrawals are
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!