Intro to stats Study guides, Class notes & Summaries

Intro to Stats MCCC Ch. 5

Intro to Stats MCCC Ch. 5.

Intro to Stats MCCC Ch. 5

For ten students, a teacher records the following scores of two assessments, Quiz 1 and Test. Quiz 1 (x) Test (y) 15 20 12 15 10 12 14 18 10 10 8 13 6 12 15 10 16 18 13 15 Mean 11.9 14.3 Standard Deviation 3.3 3.5 The correlation of Quiz 1 and Test is 0.568. Given the information below, what is the slope and y-intercept for the least-squares line of the Quiz 1 scores and Test scores? Answer choices are rounded to the hundredths place. Slope = 0.54 y-intercept = 1.71 Slop...

In which of these cases should the median be used? When the data has small variance When data has no outliers When the data has extreme values When the data has nominal values RATIONALE Since the mean uses the actual values in the data, it is most affected by outliers and skewness. So, we only want to use the mean when the data is symmetric as a measure of centrality. When the data is skewed or has extreme values, the median is a better measure since it is not as sensitive to the...

STAT 200 7979 Sophia __ Intro to Stats Unit 5 Milestone 5 GRADED A STAT 200 7979 Sophia __ Intro to Stats Unit 5 Milestone 5 GRADED A STAT 200 7979 Sophia __ Intro to Stats Unit 5 Milestone 5 GRADED A STAT 200 7979 Sophia __ Intro to Stats Unit 5 Milestone 5 GRADED A

Sophia Intro to Stats Unit 4 Milestone 4.For ten students, a teacher records the following scores of two assessments, Quiz 1 and Test. Quiz 1 (x) Test (y) 15 20 12 15 10 12 14 18 10 10 8 13 6 12 15 10 16 18 13 15 Mean 11.9 14.3 Standard Deviation 3.3 3.5 The correlation of Quiz 1 and Test is 0.568. Given the information below, what is the slope and y-intercept for the least-squares line of the Quiz 1 scores and Test scores? Answer choices are rounded to the hundredths place. Slope = 0.54 y-inter...

Intro to Stats MCCC Ch. 5

Intro to Stats MCCC Exam Questions with Correct Answers If A denotes some event, what does (complement of A) denote? If P(A)=0.003, what is the value of P(complement of A)? If P(A)=0.003, is (complement of A) unusual? a. What does (complement of A) denote? b. If P(A)=0.003, what is the value of P(complement of A)? c. If P(A)=0.003, is (complement of A) unusual? - Answer-a. Event (complement of A) denotes the complement of event A, meaning that (complement of A) consists of all outcome...