Please help me with this problem please?
2 answers:
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[Step 1] Put data in order least to greatest
-> Data is already in order, fantastic!
[Step 2] Find the medium of all the data
-> We will find the middle value
-> See attached, in black
-> The value is 7.5
[Step 3] Find the medium of our halves
-> We will find the middle value of each of the halves
-> See attached, in white
-> For this, the value of the first quartile it is 3.5
-> For the, the value of the third quartile it is 9
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
Answer:
Random variable: for this case represent the number of complaints in 2007
Population parameter: represent the real proportion of complaints in 2007 p
Hypothesis to verify
We want to check if the true proportion of complaints in 2007 is equal to 0.23, the system of hypothesis are.:
Null hypothesis:
Alternative hypothesis:
Step-by-step explanation:
Information provided
n=1432 represent the random sample taken
X=321 represent the number of complaints
estimated proportion of complaints in 2007
is the value to verify
z would represent the statistic
Random variable: for this case represent the number of complaints in 2007
Population parameter: represent the real proportion of complaints in 2007 p
Hypothesis to verify
We want to check if the true proportion of complaints in 2007 is equal to 0.23, the system of hypothesis are.:
Null hypothesis:
Alternative hypothesis: