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
EleoNora [17]
3 years ago
9

Which of the following sample types should you always regard as unreliable? A) voluntary response samples 18) 9 simple random sa

mples B) stratified samples D) eluster samples 19) Statistics is the science of conducting studies to A) solve a system of equations
Mathematics
1 answer:
Inessa [10]3 years ago
4 0

Answer:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

Step-by-step explanation:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

It can be considered unreliable because being voluntary, the answers will give a biased result and the analysis will not be valid.

The rest of the options, if the necessary collections are taken, are samples that can be considered reliable.

You might be interested in
Find the slope of the line that passes through each pair of point E(4,-4),F(2,2)
elena-s [515]

This has a slope of 3, you can plot it on a graph and count rise over run.

3 0
3 years ago
Read 2 more answers
A recipe includes 6 cups of flour and 2/3 cup of butter. Write the ratio of the amount of flour to the amount of butter as a fra
diamong [38]
6 : 2/3.....multiply by 3
18 : 2...reduce 
9:1 or 9/1
6 0
3 years ago
What is 42÷(15-2 by the power of 3<br><img src="https://tex.z-dn.net/?f=42%20%5Cdiv%2815%20-%202%20%7B%7D%5E%7B3%7D%20%29" id="T
tigry1 [53]
Answer: 6

Explanation: first you have to get rid of the 2 power of 3, 2 x 2 x 2 is 8. Then 15-8=7. Then 42➗7 is 6
4 0
3 years ago
Troy is writing a book of short stories. It is his
joja [24]

Answer:

91 short stories

Step-by-step explanation:

You just add 1 + 2 + 3 + 4 + 5 + 6... all the way to 13, and then at the end of 16 months, Troy still only wrote 91 stories since he only wrote them up until 13 months, and  then stopped afterwards.

3 0
2 years ago
Combine the like terms to create an equivalent expression:<br>−5+(−5r)+10 
Slav-nsk [51]
Answer is R+10
you have to distribute the + into -5 which will still be -5r and you keep the 10
4 0
3 years ago
Read 2 more answers
Other questions:
  • 0.0013 in scientific notation
    13·2 answers
  • What type of decimal is this fraction:11/20 ?
    12·2 answers
  • Evaluate each expression for the given value of the variable 1 + r2-r; r=5
    7·1 answer
  • Brock wants to compete for the featherweight boxing title, but the upper limit for that weight class is 126 pounds. He currently
    9·2 answers
  • They are twice as many children as adults at the concert the total amount of money collected for the concert is 1080 how many ad
    14·2 answers
  • May i get an answer? for 10 points
    8·2 answers
  • HELP QUICK PLEASE <br><br> 12(20 + b)
    10·2 answers
  • Which algebraic rule describes the transformation?
    9·1 answer
  • Whats the area of 8ft, 6ft and 2ft?
    13·1 answer
  • Divide £208 in the ratio 3:1<br><br> How do I do this??
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!