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
Kruka [31]
3 years ago
14

1. Investigate if there is an association between survival past 500 days and treatment group.(a) Create a variable that indicate

s whether each observation survived >= 500 days.(b)What are the two tests that could be used to answer this question? What are the null andalternative hypotheses for each test? When is each test appropriate?(c)Perform the chi-squared test to investigate if there is an association between survival past 500 daysand treatment group. Does one treatment group have a better outcome than the other? Write abrief paragraph to summarize your results. Your summary does not need to include a confidenceinterval, but it should include basic descriptive statistics.(d)Explain why the analysis performed is not sufficient to make definitive conclusions regarding theefficacy of the two treatment groups.
Mathematics
1 answer:
vekshin13 years ago
3 0

Answer:

There is association between survival and treatment H1: there is no association between survival and treatment.

Step-by-step explanation:

You might be interested in
7x−2(x+3) =? also you have to simplify your answer
12345 [234]
7x-2(x+3)
=7x-2x-6
=5x-6
6 0
3 years ago
Help me assapppp!!! Pls
mafiozo [28]

Answer:

have you tries adding them together?

5 0
3 years ago
Can someone help me? I'll reward points and brainalist
UNO [17]

Answer:

135 degrees

Step-by-step explanation:

45 is for half of the square so u would add 45+45+45 or 45x3. there is a half and 1 whole square.

7 0
3 years ago
Read 2 more answers
Plz help me with this ty
Norma-Jean [14]

Answer: $0.14 per fluid ounce.

Step-by-step explanation: $4.48 divided by 32 = $0.14

4 0
3 years ago
Donna feeds her dog 3/4
svet-max [94.6K]
The answer is 48. Because 36 divided by .75 or 3/4 is 48
5 0
3 years ago
Other questions:
  • In preperation for an easter egg hunt, 4 blue eggs are filled for every 7 green. How many green eggs will be filled if 100 blue
    14·1 answer
  • The measure of angle 4 is 45. If angle 4 is congruent to angle 1, what is the measure of angle 5?
    8·1 answer
  • The segment image is drawn from F(2, 9) to H(10, 1) with point G on the segment. What coordinates for point G will divide image
    13·1 answer
  • Is this correct, if not what’s the answer
    8·2 answers
  • A rectangle drawn on the coordinate plane has vertices (4, 4), (1, 8), (-7, 2) and (-4, -2). What is the area, in square units,
    5·1 answer
  • PLS HELPPPPPP OMG PLSSSSSSSSSSSSSS LOOK AT PHOTO PLSSSS HELPPP
    15·2 answers
  • Home work<br>Give (2) advantages and<br>disadvantages of modern<br>and traditional Kitchen​
    14·1 answer
  • Help me please my test is tomorrow!​
    14·1 answer
  • Mr. Lisa wants to hang a triangular banner at the entrance of the school. He performs an unknown dilation to include the banner
    8·1 answer
  • Find the equation of the linear function represented by the table below in slope-
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!