f the coefficient of determination is 0.94, what can we say about the relationship between two variables? A) The strength of the relationship is 0.94. B) The direction of the relationship is positive. C) Ninety-four percent of the total variation of the depend

Q: one standart?

A: here use Empirical rule

Q: Match the description with its mathematical expression. Percentage variation described by a fitted…

A: Percentage variation described by a filted line mathematical expression is r^2.

Q: What is needed to investigate the strength of a relationship?

A: We have to write What is needed to investigate the strength of a relationship.

Q: 1) The number of comedy and action films that 4 friends have in their DVD collections is recorded in…

A: Given: The number of comedy and action films that 4 friends have in their DVD collections is…

Q: 1. Complete the table Po P - value а. 100 40/100 8% b. 248 51/248 10% C. 312 100/312 12% d. 486…

A: See the handwritten solution

Q: The proportion of the variability in sales accounted for by the price of the product is

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Q: Say True or False and justify your answer. P(A∪B)⊆P(A)∪P(B)

A:

Q: d. Which of the measures of variation computed in parts a-c have the same units of measure (number…

A: The formula for Range is, Range=maximum value-Minimum Value Let 'n' be the sample size,…

Q: Specify which of the variables listed are quantitative and which are categorical.

A:

Q: 1. What are the measures of position? 2. How important are measures of position in our daily life?

A: Measures of position comes under the topic of Descriptive Statistics.

Q: (a) What proportion of those in the control group developed diabetes? i (b) What proportion of those…

A: HERE AS PER POLICY I HAVE CALCULATED 3 SUBPARTS here define events  control =c teplizumab =T…

Q: Suppose r is .84, compute proportion of variation is explained?

A: From the given information, it is observed that r=0.84.

Q: 20. What was Jackson's average rate? A) 3 mph B) 6 mph C) 9 mph D) 12 mph E) 15 mph

A:

Q: Expressed as Percantage of selling price, which of the best selling menu items is the most costly to…

A: We have to answer question based on given table.

Q: A group of preschoolers has 15 boys and 12 girls. What is the ratio of girls to boys as a…

A: The group has, 15 boys and 12 girls. So, the ratio of girls to boys is, 12 : 15 = 4 : 5

Q: a) If a speedometer's absolute error is 2 mph and it measures a speed of 60 mph, what is the…

A: Note: Hi! Thank you for the question as per the honor code, we’ll answer the first question since…

Q: In Dave Pelz’s Short Game Bible, the author attempts to characterize the skill of a golfer from a…

A: Evaluation method make more sense in golf than absolute or squared errors:   In the given question,…

Q: The average working hours per month of the staff aged over 50 years in a factory were 160 and that…

A:

Q: A survey estimated that the average cost of textbooks for a semester of college is $320 with a…

A: Given The average cost of textbook for a semester of college is $320 So x¯ = 320 Margin of error E…

Q: How do you choose which measure of variation to use and what considerations may have an impact on…

A: Measure of variation: The measure of variation gives the degree to which the observations in the…

Q: ha survey, 56 people said they loved walching baseball while 32 said they do nol like walching…

A:

Q: Age, x 16 25 39 45 49 64 70 29 57 22 Systolic blood pressure 109 122 143 132 199…

A:

Q: What proportion of the variation in y can be explained by the variation in the values of x?

A: Here we have given the regression equation Y = 64.21X+ 44.09 and the correlation coefficient, r =…

Q: The sum of 20 observations is 300 and its sum of square is 5,000 and median is 15. Find its…

A:

Q: Determine whether the variable is qualitative or quantitative.   Distance in miles to the nearest…

A: Quantitative variable: Quantitative variable is a variable that has numerical values within a…

Q: What is the measure of b?

A:

Q: A line that divides two sides of a triangle proportionally is:

A: We have find the correct option.

Q: (b) For a set of 100 observations, the sum of deviations from 4 is -11, and the sum of the squares…

A:

Q: The secretarial pool (15 secretaries in all) on one floor of a corporate complex has access to four…

A: Use proportionality.

Q: A study of damages awarded by judges in civil cases such as injury, factory liability, or medical…

A: Mean is defined as the simple mathematical average computed by dividing total observations by the…

Q: The sum of 20 observations is 300 and its sum of square is 5,000 and median is 15. Find its…

A: In question, Given that The sum of 20 observations is 300 and its sum of square is 5,000 and median…

Q: 3 Without integrating, the value of S"SLesino d pdqd0 is (а) 36л. (b) 1087. (c) 187. ! Without…

A:

Q: The cost, in millions of dollars, of a 30-second TV ad during the Super Bowl from 2015 to 2019 can…

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Q: 4. The amount of paint utilized in a building project 5. The speed of a car 6. The number of female…

A: Note: Hi! Thank you for the question. As you have requested, we have helped you solve the questions…

Q: Which table shows a proportional relationship? 4. 3. 9. 16 25 y 2 4 6. 4 8. 10 2 1 3. 4 8 3 8. 4. 3.…

A:

Q: Which best describes the relationship between the two lines described below? Line m: y=1/2x +3/2…

A: From the given problem:   Line m: y=1/2x +3/2Line l:  y= -2x +3/2   As we know that the equation of…

Q: If the means and extremes of a proportion are interchanged, will the resulting ratios still form a…

A: We know that a Proportion is nothing but just a statement which makes two ratio equal . Consider the…

Q: The speed, in miles per hour, of 24 cars on a particular road are recorded and represented on the…

A:

Q: Which proportion is incorrect!

A: According to the basic proportionality theorem, when a line is drawn parallel to one side of a…

Q: 5/ 6 10 11/ 12 15/ 16 13 14 1) If mZ1 = mZ3, what lines are parallel and what's the reason? 2) If…

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Q: Two parallel lines are cut by a transversal as shown below. Suppose mL6=56°. Find m Z1 and mL3. s/6…

A:

Q: The percentage of men who meet the height requirement is %.

A: Men's height are normally distributed with : Mean , µ = 68.7 Standard deviation , σ = 3.4

Q: The model below shows the ratio of gray squares to white squares. Which of the following is not an…

A: Fraction form of ratio: The ratio a:b can be written in fraction form as ab. We have given ratio of…

Q: Pat and Chris both took a spatial abilities test (mean=80, std. dev.= 8). Pat scores a 76 and Chris…

A: Given that, μ=80,σ=8,X-score of pat =76X-score of chris =94 Assume that test score X follows normal…

Q: What percentage of this grid is shaded?

A: To find the percentage of the shaded grid

Q: Two sides of triangle were measured as 150mm and 200mm and the included angle as 600 . Determine…

A:

Q: Two parallel lines are crossed by a transversal. What is the value of y? O y= 40 O y= 80 80° O y=…

A:

Q: 4. Figure DEFGHIS similar to figure MNOPQ. M ОР MN HS DE MN GH DE PQ Which proportion must be true?…

A: