Tutor for Business Analytics Exam
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- Proposals: 1
- On-site in Barbican, GB
- #1808803
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Description
Experience Level: Intermediate
Industry: Business
Description of analysis: I am looking for someone to provide tutoring for an upcoming exam in two weeks.
Would like to meet around Central London / Liverpool Street area
Here are some exam paper questions
A-l. [2 MARKS] (TV F) If two events A and B are not correlated, then P(B)P(A) = P(A PIB).
A-2. {2 MARKS] (T / F) In clinical trials, the pharmaceutical companies want to rigorously test
whether the new drug is different from the old drug. The null hypothesis should be that the
new drug is better.
A-3. [2 MARKS] (T / F) The 95% confidence interval for the true population mean u, tells us
that the random variable |i falls within the confidence interval with probability 0.95.
A-4. [2 MARKS] (T / F) If two random variables are not independent, then their correlation
coefficient is not zero.
A-5. [2 MARKS] (T / F) In linear regression, the higher R2, the better the regression model is
since the regression line fits the data better.
A-6. [2 MARKS] (T / F) Suppose two random variables X and Y are positively correlated. If X is
above its mean, then Y is also above its mean.
A-7. [2 MARKS] 07 F) Suppose the sample space is given by {A,B,C}, and that P(A) = 0.2, and
P(B) = 0.5. Then, P(A U B) S 0.7.
A-8. [2 MARKS] (T / F) Suppose X is a binomial random variable with mean 10 and standard
deviation 5. Then 10000X is approximately a normal random variable.
A-9. [2 MARKS] (T / F) Categorical variables can be used in the linear regression framework
to study the relationship between qualitative and quantitative factors.
A-10. [2 MARKS] (T/ F) Any hypothesis testing problem can be approached or formulated as
a confidence interval problem.
Extra notes:
Description of analysis: I am looking for someone to provide tutoring for an upcoming exam in two weeks.
Would like to meet around Central London / Liverpool Street area
Here are some exam paper questions
A-l. [2 MARKS] (TV F) If two events A and B are not correlated, then P(B)P(A) = P(A PIB).
A-2. {2 MARKS] (T / F) In clinical trials, the pharmaceutical companies want to rigorously test
whether the new drug is different from the old drug. The null hypothesis should be that the
new drug is better.
A-3. [2 MARKS] (T / F) The 95% confidence interval for the true population mean u, tells us
that the random variable |i falls within the confidence interval with probability 0.95.
A-4. [2 MARKS] (T / F) If two random variables are not independent, then their correlation
coefficient is not zero.
A-5. [2 MARKS] (T / F) In linear regression, the higher R2, the better the regression model is
since the regression line fits the data better.
A-6. [2 MARKS] (T / F) Suppose two random variables X and Y are positively correlated. If X is
above its mean, then Y is also above its mean.
A-7. [2 MARKS] 07 F) Suppose the sample space is given by {A,B,C}, and that P(A) = 0.2, and
P(B) = 0.5. Then, P(A U B) S 0.7.
A-8. [2 MARKS] (T / F) Suppose X is a binomial random variable with mean 10 and standard
deviation 5. Then 10000X is approximately a normal random variable.
A-9. [2 MARKS] (T / F) Categorical variables can be used in the linear regression framework
to study the relationship between qualitative and quantitative factors.
A-10. [2 MARKS] (T/ F) Any hypothesis testing problem can be approached or formulated as
a confidence interval problem.
Extra notes:
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