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Intro to Statistics- Final Exam Latest Update Actual Exam from Credible Sources with Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor$20.49
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Intro to Statistics- Final Exam Latest Update Actual Exam from Credible Sources with Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
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Course
Intro to Statistics-
Institution
Intro To Statistics-
Intro to Statistics- Final Exam Latest Update Actual Exam from Credible Sources with Questions and Verified Correct Answers Golden Ticket to Guaranteed A+ Verified by Professor
Intro to Statistics- Final Exam Latest Update
2024-2025 Actual Exam from Credible Sources
with Questions and Verified Correct Answers
Golden Ticket to Guaranteed A+ Verified by
Professor
A point estimate is the value of a _________ that estimates the value of a
____________ - CORRECT ANSWER: statistic, parameter
Classical Probability - CORRECT ANSWER: Dividing number of outcomes in an event
by number of all possible outcomes
coefficient of determination - CORRECT ANSWER: r^2 blank precent can be explained
by the linear relation between ------
Confounding - CORRECT ANSWER: occurs when effects of explanatory variable upon
the response variable cannot be determined
descriptive statistics - CORRECT ANSWER: branch of statistics that deals with the
organization of raw data
Empirical Rule to find percentages - CORRECT ANSWER: X- Xbar
--------
s
Draw curve
Do this for both numbers
The answer should give you a number (-1, 2, etc)
Percentage= 1/2 of each number you get
, expected value - CORRECT ANSWER: n times p
Experimental Unit - CORRECT ANSWER: the object upon which the response variable
is measured
Explain what we mean by a confidence level (exp. 95%) - CORRECT ANSWER: The
percentage of intervals, based on all possible samples of the same size taken from the
same population, that contain the parameter.
For example, if we construct 100 95% confidence intervals using 100 samples of the
same size, approximately 95 of the intervals will contain the true parameter and 5 will
not.
Factors - CORRECT ANSWER: - Any combination of values of the factors is called a
treatment
- Factors whose effect on the response variable interests us should be set a
predetermined levels
- one way to control factors is to fix their level at one predetermined value throughout
the experiment
- They cannot be examined after the experiment
Find least squares regression line - CORRECT ANSWER: y hat = b1x + bo
b1= r (sy/sx)
bo= ybar-b1Xbar
Find range - CORRECT ANSWER: 3 x s
mean + answer
mean - answer
max-min
Hypothesis for dependent - CORRECT ANSWER: Ho: mud equals 0
H1: mud does not equal, greater than, or less than 0
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