The number of positive residuals is The number of negative residuals is The smallest residual is in the year The largest residual is Does the largest residual correspond to an outlier in the data? Enter yes or no.

Q: Explain what happens when finding the margin of error if all stays the same except the sample size…

A: Solution: The margin of error can be calculated by using the formula:

Q: What percent of data is less than -8%

A: here we can see that shape of curve is bell shaped and symmetric about x = -6 so it is normal…

Q: 24 55 14 16 Alcoholic drinks per week

A:

Q: Police Department A and Department B each use the same set of data about the number of safety…

A: Given that  Department A calculates an interval of 12% to 15%, Department B calculates an interval…

Q: Loraine is enrolled in an algebra class that meets 5 days per week. Her instructor gives a test…

A:

Q: How do you tell percentiles in a table

A: Percentile is a score that tells the value below which a given percentage of values falls in a table…

Q: Describe how outliers can impact the relationship between two variables?

A: We have to describe how outliers can impact the relationship between two variables?

Q: Explain how the interquartile range of a data set can be used to identify outliers. The…

A: Solution

Q: r2 = .672 can be interpreted as 67.2% of the variance. Group of answer choices True False

A: Coefficient of determination: The coefficient of determination tells about the percent of variance…

Q: Describe a variable that would likely result in a positively skewed distribution. Justify your…

A: Histogram is used to show the skewness exist in the data set. There are two type of skewness they…

Q: Describe about the Averages for Ranked Data.

A: The ranked data is mainly used in the non-parametric tests are they are performed on ordinal data.…

Q: Find the value of X2 values that separate the middle 80 % from the rest of the distribution for 20…

A:

Q: Solve task from image.

A: Given data 65 72 68 64 60 55 73 71 52 63 61 74 69 67 74 50 4…

Q: For the data set 37, 82, 20, 25, 31, 10, 41, 44, 4, 36, 68, find the upper and lower outlier…

A: The formula for the lower fence is,Where, Q1 denotes the first quartileIQR denotes the interquartile…

Q: There is one low outlier in the plot. The price of beer (per ounce) and price of a hot dog for this…

A: If the observation is far from the remaining observations, then the observation is said to be an…

Q: How do i calculate finding the percentage between two z scores?

A: To find the probability between two z-scores: z-score represents the number of standard deviations…

Q: Explain how the interquartile range of a data set can be used to identify outliers. The…

A: Explain how to find outliers from Inter Quartile Range. IQR = Q3-Q1

Q: Find the z-score that cuts off 40% in the tail on the left

A: Our aim is to find the find the z-score that cuts off 40% in the tail on the left

Q: Student grades on a chemistry exam were: 77, 78, 76, 81, 86, 51, 79, 82, 84, 99 Construct a…

A: It is an important part of statistics . It is widely used .

Q: The variance is sometimes a negative number.

A:

Q: The comparison line graph indicates the rainfall for the last six months of two different 2013 years…

A: The given comparison line graph indicates the rainfall for the last six months of two different…

Q: Student Year in College Course Work Hours per Class Freshman (1) 2 Sophomore (2) 3 Junior (3) 4 4…

A: The points provided in the X, Y coordinates are (1,7), (2,6), (3,4) and (4,1). The vertical distance…

Q: How do you find the median of X?

A:

Q: The pie chart shows the distribution of the opinions of parents on whether a college education is…

A: CategoryObserved(O)ProportionExpected(E)(O-E)²/EStrongly agree850.54106.384.296901673Somewhat…