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
saw5 [17]
2 years ago
14

The following are all 6 quiz scores of a student in a statistics course. Each quiz was graded on a 10-point scale. 8,6,9,9, 8, 8

Assuming that these scores constitute an entire population, find the standard deviation of the population. Round your answer to two decimal places.
Mathematics
2 answers:
Rufina [12.5K]2 years ago
8 0

Answer:

mean=6+8+8+9+9+10divided 6 =

Reika [66]2 years ago
8 0

Answer:

1.

Step-by-step explanation:

The mean score is (8+6+9+9+8+8)/ 6

= 48/8

= 8.

Deviations from the mean are 0 , -2, 1, 1, 0, 0

Squares of these deviations  are 0, 4, 1, 1, 0, 0

So the variance =  (0 + 4 + 1 + 1 + 0 + 0)/ 6 =  1

Standard deviation = √1 = 1.

You might be interested in
To legally drive a off-road vehicle, your age, a, must be 13 or over. Which of the following inequalities represents this senten
seropon [69]

Answer:

1.

Step-by-step explanation:

The > symbol shows that you have to be older than 13, and there must be a line underneath to signify a can be equal to the number (meaning you can be 13 to do this).

7 0
3 years ago
Read 2 more answers
This is due today please help
Inessa [10]
Lateral is 13.8cm
Total surface area is 32cm
7 0
3 years ago
Read 2 more answers
ASAP some answer this ASAP
tatyana61 [14]
This answe would have to be (-3,7)
5 0
1 year ago
Read 2 more answers
Solve for m -7/9 m = 11/6
maria [59]

Answer:

19/18

Step-by-step explanation:

substitute the value of m(11/6) in m-7/9

which is equal to 11/6 -7/9 =19/18

7 0
2 years ago
Read 2 more answers
If angle A B C is congruent to angle C B D find x.
madam [21]
X+1=4x-2
  +2      +2
x+3=4x
-x     -x
3=3x
1=x

4 0
2 years ago
Other questions:
  • 80 members decreased by 65%
    11·1 answer
  • Which formula can be used to find the account balance ??
    11·2 answers
  • A
    15·1 answer
  • PLEASE HELP ME! I NEED A MATH PRO! (see attachment) best answer get's brainliest, 5 stars, and a thanks! Sorry for asking the sa
    5·1 answer
  • - Area and Volume
    14·1 answer
  • HELPPP PLEASEEE!!! Find the perimeter of ΔTAP with vertices T(1, 4), A(4,4), and P(3,0) to the nearest tenth unit.
    15·1 answer
  • A line passes through the point 2, -3 and has a slope of 9
    9·1 answer
  • Three medium apples have about 285 calories.
    8·2 answers
  • Rationalizing factor of 3-√5​
    12·1 answer
  • When an event takes place, one outcome is equally as likely to occur as it is to not occur. Which value could represent the prob
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!