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
Leni [432]
3 years ago
14

If you wanted to estimate the mean height of all students at a university, which of the following sampling strategies would be b

est? Why?
Note that none of the methods are true simple random samples.
a. Measure the heights of 50 students found in the gym during basketball intramurals.
b. Measure the heights of all engineering majors.
c. Measure the heights of the students selected by choosing the first name on each page of the campus phone book.
Mathematics
1 answer:
xenn [34]3 years ago
4 0

Answer:

c.

Step-by-step explanation:

Hello!

To take a sample to estimate the mean height of all students at a university and that the value you reach is statistically valid you need the sampling method to be random and representative of the whole population, in this example, all university students.

a. Measure the heights of 50 students found in the gym during basketball intramurals.

This method is not the best because you would be sampling only basketball players leaving all other students of the university outside, i.e. your sample will not be representative of all the students, just the ones that play basketball.

b. Measure the heights of all engineering majors.

This method is not good, the sample only represents engineering mayors meaning that it does not include the students of any other subjects.

c. Measure the heights of the students selected by choosing the first name on each page of the campus phone book.

With this method you choose students regardless of the sport or major they're are taking, it is more representative of the population of university students, of the three options, this is the best one.

I hope it helps!

You might be interested in
A bag contains red and blue marbles. One-fourth of the marbles are red. If there is one red marble in the bag, how many blue mar
Alenkinab [10]
There are 3 marbles.
4 0
4 years ago
Can someone please help on number 19. WILL MARK YOU AS BRAINIEST!!!
liraira [26]

Answer: the width is 150

Step-by-step explanation:

5 0
3 years ago
Write the slope-intercept form of 3x-2y=-16
Arada [10]
First bring 3x to the other side, which will give you -2y= -16-3y. Then divide everything by -2, which will give you y=8+3/2x
8 0
3 years ago
Read 2 more answers
Raymond bought 3/4 of dozen rolls. How many rolls did he buy?
Juliette [100K]
Hey there! A dozen rolls = 12 rolls, of means multiply, we are going to multipy 3/4 by 12, make 12 a fraction, 12=12/1. Now, we can multiply 3/4 by 12/1. 3/4×12/1=36/4. Simplify 36/4 to 9. So, Raymond bought 9 rolls.
6 0
3 years ago
Read 2 more answers
The sides of a hexagon are 2, 3, 2, 4, 7, and 6. Find the perimeter of a similar hexagon with two sides of length 3.
Basile [38]

The first hexagon: 2, 2, 3, 4, 6, 7

The second hexagon: 3, 3, a, b, c, d

The hexagons are similar. Therefore the sides are in proportion.

\dfrac{a}{3}=\dfrac{3}{2}     <em>multiply both sides by 3</em>

a=\dfrac{3}{2}=4.5

\dfrac{b}{4}=\dfrac{3}{2}    <em>multiply both sides by 4</em>

b=\dfrac{3}{2}\cdot4=6

\dfrac{c}{6}=\dfrac{3}{2}     <em>multiply both sides by 6</em>

c=\dfrac{3}{2}\cdot6=9

\dfrac{d}{7}=\dfrac{3}{2}    <em>multiply both sides by 7</em>

d=\dfrac{21}{2}=10.5

The perimeter:

P=4.5+6+9+10.5=30

6 0
3 years ago
Read 2 more answers
Other questions:
  • Write a number eighteen in another way
    15·2 answers
  • Vertex of an absolute value graph ______ of the graph.
    10·1 answer
  • sweety's ice cream shop sells ice cream by weight. they charge $6.95 per pound. if your dish of ice cream weighs 0.42 pounds, ho
    14·1 answer
  • At the movie theatre, child admission is $5.70 and adult admission is $9.75 . On Friday, 173 tickets were sold for a total sales
    9·1 answer
  • Use the formula c=5/9(f-32) to convert 104 degrees to degrees celsius
    6·1 answer
  • 1.5(2-4h)=6h<br><br>please anwser
    5·1 answer
  • X- 12 = 5x2 in standard form
    12·1 answer
  • Look at the image for the problem :)
    13·1 answer
  • I’m booored can some one talk to me pls
    13·1 answer
  • Answer the problem below please. Thank you.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!