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Qualified Medicare Beneficiary (QMB) 3200 Exam 1 Johnson with All Questions and 100% Correct Answers $8.00
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Qualified Medicare Beneficiary (QMB) 3200 Exam 1 Johnson with All Questions and 100% Correct Answers
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Qualified Medicare Beneficiary (QMB) 3200 Exam 1 Johnson with All Questions and 100% Correct Answers

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  • October 21, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Qualified Medicare Beneficiary 3200
  • Qualified Medicare Beneficiary 3200

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48 Multiple choice questions

Term 1 of 48
True or False? (|z| < 3) is a standard outlier

True

False

Term 2 of 48
What is the difference between quantitative and qualitative data?

Quantitative is subjective whereas qualitative is objective


Quantitative is discrete whereas qualitative is continuous

Quantitative is numerical whereas qualitative is categorical

Quantitative is ordinal whereas qualitative is nominal

Term 3 of 48
True or false? If we want to be able to reject the null hypothesis, we want our p-value to be
high.

True


False

Term 4 of 48
True or False? A "random" sample is representative of the population.

True


False

,Term 5 of 48
What does H0 stand for?

Type 1 Error


Null Hypothesis

Variation


Theory

Term 6 of 48
Define Sample

A random selection of data points that are not related to a population

The entire group of individuals or items that are being studied

A theoretical concept that does not apply to real-world scenarios


Subset of units of a population, Any set of output (object or numbers) produced by a
process

Term 7 of 48
What is this symbol called and what does it represent in statistics? x̄

Y or y hat, it represents the predicted value in regression

Z or z score, it represents the number of standard deviations from the mean


X or x bar, I don't know man, it represents sample mean

P or p value, It represents the probability of observing the data

Term 8 of 48
What is this symbol called and what does it represent in statistics? β

Kappa, represents the degree of agreement between two raters


Gamma, represents the rate of change in a variable

Lambda, represents the average rate of events in a poisson distribution

Beta, represents probability of a Type II error

,Term 9 of 48
What is this symbol called and what does it represent in statistics? σ

Delta, represents the change in a variable


Rho, represents the correlation coefficient between two variables

Theta, represents a parameter in a statistical model

Sigma, represents standard deviation for a population

Term 10 of 48
Management at Truly Scrumptious Confectioners knows that approximately 35 out of 100
viewers of their previous commercial stated that they were likely to purchase Truly Scrumptious
candy. They run a hypothesis test. The null hypothesis is that the mean number of people who
state that they would be likely to purchase the candy after viewing the new commercial is 35.
The alternative hypothesis is that the mean number of people who state that they would be
likely to purchase the candy is?

Less than 35

Less than 50

Less than 100

Greater than 35

Term 11 of 48
If the p- value is less than alpha, do you accept or reject the null hypothesis? (α > p- value)

Variation

Statistically significant

Accept the null hypothesis

Reject the null hypothesis

, Term 12 of 48
Define Experimental Unit

Uses sample data to make estimates, decisions, predictions, or other generalizations
about a larger set of data

Reject the null hypothesis

Presents information in a useful form; summary of a data set

Object upon which we collect data

Term 13 of 48
True or False? The Empirical Rule tells us that 85% of a data set is captured within a 2 standard
deviation interval.

True

False

Term 14 of 48
Management at Truly Scrumptious Confectioners knows that approximately 35 out of 100
viewers of their previous commercial stated that they were likely to purchase Truly Scrumptious
candy. Management has strong reason to believe that this new commercial will be more
effective but want to run a studyto find out for sure. What kind of statistical test should they
run?

An Insightful Operation

A Hypothesis Test

Observational

A Confidence Interval

Term 15 of 48
True or False? 99.7% of a data set is captured within a 3 standard deviation interval.

True

False

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