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
siniylev [52]
3 years ago
14

In a statistics​ class, the standard deviation of the heights of all students was 4.2 inches. The standard deviation of the heig

hts of males was 3.4 inches and the standard deviation of females was 3.3 inches. Why is the standard deviation of the entire class more than the standard deviation of the males and females considered​ separately?
Mathematics
1 answer:
Sphinxa [80]3 years ago
4 0

Answer

given,

the standard deviation:-  

of the students height in the class = 4.2 inches  

of the male heights in the class = 3.4 inches  

of females height in the class = 3.3 inches  

standard deviation is the deviation of the value from the target value.

the given question standard deviation of the students is more than that of the individual standard deviation of the heights of males and females because of the distribution of the entire class has more dispersion.

You might be interested in
Find the equation of the line that passes through (5, 12) and has a slope of -6
Tasya [4]
Y - 12 = -6 (x - 5)
y = -6x + 42
5 0
3 years ago
What is a equivalent fraction for 24/30
liq [111]
There's an infinite number of equivalent fractions for 24/30 - all you need to do is to divide or multiple both numerator and denominator by the same number. For example:

24/30 = 48/60 (because 24 * 2 = 48 and 30 * 2 = 60)
24/30 = 12/15 (because 24 ÷ 2 = 12 and 30 ÷ 2 = 15)
24/30 = 72/90 (because 24 * 3 = 72 and 30 * 3 = 90)
24/30 = 4/5 (because 24 ÷ 6 = 4 and 30 ÷ 6 = 5)
etc...
6 0
3 years ago
Can someone tell me the answer please
arsen [322]
Part A: 65/90 because you take the given number of positive test and put it over the total number of test.
Part B: it’s dependent because it depends on the negative to get the probability/likely hood.
7 0
3 years ago
Three judges measure the lap times of a runner and each measurement is different from the others by a few hundredths of a second
ohaa [14]

Answer:

Systematic error

Step-by-step explanation:

Assuming that none of the judges are biased, the most likely reason for this difference is the occurrence of systematic errors.

Systematic errors are errors introduced by inaccuracy in the experimental design, be it in the observation or measurement process.

In this case, the reaction time from observing the finish and stopping the clock for each judge might be different, which configures a systematic error.

6 0
3 years ago
You say me when you start at 21 and count by tens. I am after 91. I am before 111. What number am i?
babunello [35]

Answer:

101

Step-by-step explanation: it is before 111 and after 91

5 0
2 years ago
Read 2 more answers
Other questions:
  • Sean places 28 tomato plants in rows. All rows contain the same number of plants. What Is a number to plants in each row
    9·2 answers
  • Which best describes the spread of a set of data that has an interquartile range of 14 and a mean absolute deviation of 6?
    15·2 answers
  • Simplify ; 7a+4b+7a-3b
    13·2 answers
  • is picking out some movies to rent, primarily interested in horror films and comedies. He has narrowed down his selections to 15
    7·1 answer
  • How does the graph change between point A and point C?
    11·2 answers
  • consider a sphere which area (in square meters) equal to its volume (in cubic meters) what is the radius (in meters) of this sph
    6·1 answer
  • The drink recipe uses 6 cups of water and 2 cups of apple juice.
    9·1 answer
  • Kevin wants to purchase a new car that costs $10,000. Every week he saves up $250. It has been 30 weeks. How much money does he
    5·1 answer
  • Avery bought stock in a company two years ago that was worth x dollars. During the first year that she owned the stock, it incre
    15·1 answer
  • What is the greatest common factor of 253 and 345?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!