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
Rudik [331]
3 years ago
6

Four students have applied to a special program and only one can be accepted. They have taken a battery of 12 tests and all have

exactly the same average score. The standard deviation of their test scores are: Student A = 3.12, Student B = 0.27, Student C = 13.45, Student D = 6.45. If consistency of performance is a criteria for acceptance, which of the four students should be selected?
Mathematics
1 answer:
irga5000 [103]3 years ago
6 0

Answer:B

Step-by-step explanation:

Given

Every student secure same average score

Standard deviation is denoted by \sigma

\sigma _A=3.12

\sigma _B=0.27

\sigma _C=13.45

\sigma _D=6.45

Consistency is criteria of acceptance then Student should be selected the standard deviation is least for student B.

Standard deviation tells how a data varies from mean Position .

More Deviation from mean indicates less consistency .

You might be interested in
How many tiles are in figure 100?<br> .<br> Figure 1<br> Figure 2<br> Figure 3
Ilia_Sergeevich [38]

Answer:

202

Step-by-step explanation:

in\\\\F(1)=4\:dots\\\\F(2)=F(1)+2=4+2=6\:dots\\\\F(3)=F(2)+2=F(1)+2+2=F(1)+2(2)=8\:dots\\\\As\:you\:can\:see\:in\\\\F(n)=F(1)+2(n-1)\\\\So\:with\:n=100\\\\F(100)=F(1)+2(100-1)\\\\F(100)=4+2(100)+2(-1)\\\\F(100)=4+200-2\\\\F(100)=200+2\\\\F(100)=202

3 0
3 years ago
Read 2 more answers
How do you add a decimal
fiasKO [112]
When adding decimals always line them up 
for example:    5.23
                      +6.35
                       --------
                      11.58
see simple hope I helped

7 0
3 years ago
Read 2 more answers
The first term of sequence is 13
Georgia [21]
-2 because 1st term is 13, take away 5 2nd term is 8 take away 5 3rd term is 3 and take away 5 again 4th term is -2
7 0
2 years ago
A man who is 2 meters tall stands on level ground. He is 32 meters from the base of a tree. The angle of elevation of the top of
podryga [215]

Answer:

h = 16.92 m

Step-by-step explanation:

If you mean to man horizontal line of sight  then the height of the tree is:

h = 2m + x

x is one right side and second is distance from the base of a tree 32m.

Tangence in this right triangle is:

tan 25° = x / 32 => x = 32 · tan 25° = 32 · 0.4663 = 14.92m

h = 2 + 14.92 = 16.92m

God with you!!!

6 0
3 years ago
Read 2 more answers
Can someone help me?
scoundrel [369]

Answer: its 180

Step-by-step explanation: length times width is the area. 15 times 12 is 180

5 0
3 years ago
Read 2 more answers
Other questions:
  • 6 to the power of 2 add y to the power of 2 is r to the power of 2. what is r and y?
    13·1 answer
  • What's the answer? please help
    14·1 answer
  • In right triangle ABC, m angle C equals 90 degree. If sin A equals 24 over 25, which function also equals 24 over 25?
    10·1 answer
  • Which of the following exponential equations is equivalent to the logarithmic
    5·1 answer
  • The following are the temperatures in °C for the first 10 days in January:
    15·1 answer
  • Y = 2x - 15 y = 5x solve using systems of equations
    13·2 answers
  • The event coordinator asks you to determine how many students participated in the track-and-field day. The total number of stude
    12·1 answer
  • A sweater which originally cost $ 38.40 is on sale 25% off. Carmen has gift card worth $15 off, but the gift card can only be us
    14·1 answer
  • Evaluate the expression when a = 4 and c= -6 <br><br> -a + 3c
    8·2 answers
  • Can someone plsss help
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!