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i thnk PDA formation he FA ki use krty hn is liye ye effectv hoty hn CFG sy? m i right???
ye to cs402 ki gdb ka q hai!
sory mjy yad nae tha k mn ny GDB ka group khola hy ya STA301 ka :( :( dimagh khrab kr dea VU ny :( :(
Thx TM$ n Fatin broz
plz correct which are not sure
The t-distribution can never become narrower than:
Select correct option:
F-distribution
standard normal distribution (sure)
Chi-square distribution
exponential distribution
When sampling is from an infinite population, the mean and standard error of the sampling distribution of p^ are ________ and________, respectively:
Select correct option:
p, sqrt [p(1 - p)/n] (sure)
p^, p(1 - p) / n
p, n(1 - p)p
p, p(1 - p)
The standard error of the sampling distribution of the sample mean when sampling is done with replacement is equal to:
Select correct option:
sigma
s / n
sigma /sqrt( n) (sure)
s / (n - 1)
In a Poisson distribution, Maximum Likelihood Estimator (MLE) for meu (u) is equal to:
Select correct option:
Sample mean (sure)
Reciprocal of the mean
Sample variance
Reciprocal of the sample variance
The precision of an estimator can be increased by increasing the;
Select correct option:
Number of parameters
Number of estimators
Size of population
Size of sample (sure)
t-distribution can be used to find the confidence interval for:
Select correct option:
Population variance (SURE)
Population mean
Difference between population proportions
Populating proportion
By increasing sample size, ________ can be decreased:
Select correct option:
Alpha
Beta (sure)
Both Alpha and Beta
None of these
Sample Proportion is a /an_______ estimator of population mean.
Select correct option:
Unbiased (sure)
Consistent
Unbiased and Consistent estimator
None of these
Accept H0/H0 is false, is the ________.
Select correct option:
Correct decision
Type II error (Sure)
Type I error
None of the above
The critical region is computed from the value of:
Select correct option:
Alpha
Beta
1-alpha
1-Beta
share your quizes plz
is se sirf ye pta chly ga quiz kahn se thy kesy thy ,
1- When we start hypothesis testing, we always assume that:
2- mean1 - mean2 = 10 against H1 : mean1 - mean2 < 10 then rejection region w
3- As the sample size _____________ the variation of the sampling distribution of the same means ______________:
4- Sampling distributions are
5- f Var(mean1) < Var(mean2) it implies:
6- In a t-distribution
7- If a significance level of 5% is used rather than 1%, the null hypothesis is:
8- sampling distribution of the mean with a normal distribution
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