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
Which angle must also measure 85°?<br><br> _2<br> _5<br> _11<br> _12
Semmy [17]
_11 is the answer Fr
6 0
3 years ago
Please answer quick thank you!!
Rudiy27

Answer:

y=\frac{x+9}{n}

Step-by-step explanation:

x/y=n-9

x= y(n-9)

x= yn-9n

-yn= -x-9n

yn= x+9n

y=\frac{x+9}{n}

3 0
3 years ago
Read 2 more answers
What's the y intercept of 4x+3y=9
8090 [49]
X-intercept - (9/4, 0)
Y-intercept - (0, 3)

5 0
3 years ago
Read 2 more answers
In which branch of statistics would a researcher acquire twenty-five 2000 Toyota Celicas, drive them until they had a major mech
AURORKA [14]

Answer:

The answer is "descriptive statistics".

Step-by-step explanation:

Descriptive statistics are short descriptive factors that add up a production set, that can be either a reflection of a whole or a sample population. It is broken down into cumulative frequency measurements and variance measurements. The study uses descriptive statistics to explain the profile of the respondents. People give simple summaries about the sample as well as the actions.

6 0
3 years ago
I am stuck on this! Whoever answers this question correctly gets the brainliest!
Norma-Jean [14]

Answer:

the mode is 7 because they have the most points

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • A map has a scale of 1 inch: 15 miles. use the given map distance to find the actual distance.
    7·1 answer
  • the width of a rectangle is 12 units less than the length. The perimeter is 108 units. Find the length
    8·1 answer
  • Graphing linear inequalities -four folded method y&lt;3/2x-5
    11·1 answer
  • A piggy bank contains $5.45 in dimes and quarters. If the bank contains 29 coins, how many quarters are in the bank?
    12·2 answers
  • The product of two consecutive integers is 56.find the the integers.
    13·1 answer
  • Lin read the first 54 pages from a 270-page book in the last 3 days. Diego read the first 100 pages from a 320-page book in the
    11·1 answer
  • A 13 foot ladder is resting against a house. The base of the ladder is 5 feet from the base of the wall.
    10·1 answer
  • V= 3 x 5 x 4<br>V = 3 + 5 + 4<br>V= 5 x 4<br>V = 3 x 5​
    10·2 answers
  • Help!! Use #8-10 to answer #11
    6·1 answer
  • .......................
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!