Calculate harmonic mean for velocity (kmph) data of vehicles moving on an expressway 100 92 64 65 99 78 83 100 62 96 82 67 83 81 99 85 82 100 70 78 91 91 79 81 91 97 60 100 78 95 95 72 66 69 66 81 64 90 75 78 79 84 73 69 79 64 82 83 97 66 74 66 96 99 77 87 91 64 67 62 73 69 85 78 94 92 82 70 81 97 87 81 93 92 65 77 95 73 94 87 66 95 89 87 100 82 98 96 83 92 83 97 84 73 77 62 63 89

Q: # 2 1) The data shows a positive correlation Which statement is 100 90 80 2) The data has an…

A: Statement (3) is correct. The dtaat shows a negative correlation.

Q: Which of the following sets of data represent valid functions? OS = {(0, – 1), (3, 1), (6, 4), (7,…

A: Function: A function from X to Y denoted by f:X→Y is defined as the given set of order pair x, y…

Q: Organize these results in a two way table Make a two way table that shows the joint and marginal…

A: Given Information: 5 people exercise regularly and 21 people do not exercise. Of those who exercise…

Q: The following data represent the speed at which a ball was hit (in miles per hour) and the distance…

A: (a)   Use EXCEL to determine the regression equation.   EXCEL procedure:   Go to EXCEL Go to…

Q: After years of testing, Duracell has developed the probability density function p(x) = 0.08e 008x…

A:

Q: 22 A city's yearly precipitation over a 50- year period is summarized in the box plot. Yearly…

A: Given yearly precipitation is : 10 cm,20 cm,30 cm,40 cm,50 cm,60 cm,70 cm Here the number of terms…

Q: Ricky Bobby and Betty Sue decide to go on a 16 hour bike ride. Since their bike has a speedometer…

A:

Q: 16. Saraya surveyed people in her community to find out how many states they had visited. She…

A:

Q: The correlation coefficient always moves between 0 and 1. True or False.

A: The correlation coefficient can be negative, zero or positive.

Q: The graph below shows the global mean temperature in degrees Celsius (°C ) between 2000 and 2009,…

A: The slope of line = dy/dx = change in output/change in input Average rate of change = change in…

Q: True or false: A scatter plot can show that a change in one variable causes a change in the other.

A: The scatterplot of two variables only show how the two variables are association with each other by…

Q: A professor at Ltts College is interested in the relationship between hours spent studying and total…

A: The scatter plot is a well known graphical method and which is used to detect the association or…

Q: A researcher finds a correlation (r) of 0.50 between height and weight. what variation in weight can…

A: Given: Correlation (r) = 0.50

Q: 33om) The following scatterplot shows the mean annual carbon dioxide (Co,) in parts per million…

A: From the given scatterplot of the dataset, it can be observed that there are no outliers in the…

Q: Assume the correlation coefficient between size of a house in square feet X and monthly electric…

A: The correlation shows the relationship between 2 variables.

Q: ans 1. Plot the data in a scatter plot. 25 25 150 75 225 100 150 14 6. 20 12 16 14 20 15 10 5 50 100…

A: To plot the following scatter plot  x 25 150 75 225 100 150 y 14 6 20 12 16 14

Q: 14. The quiz scores of 15 students are given below. 78, 78, 79, 79, 80, 80, 81, 81, 82, 83, 83, 83,…

A: Givne that  The score of 15 students is given  Find the dot plot which represents the score

Q: A study was conducted to determine whether the final grade of a student in an introductory…

A:

Q: Classify the data a continuous or discrete. The number of e mails received in a given day.

A: since we know that discrete data: Discrete data  is a data thatcan be counted while on the other…

Q: a. Group the raw data by walkability and list the new grouped data in this sheet. b. Which type of…

A: a. The raw data by walkability is, Good walkability Fair walkability Bad walkability 509,300…

Q: Teacher Strikes In Pennsylvania the numbers of teacher strikes for the last 14 years are shown. 8 9…

A: The number of teacher strikes happen in last 14 years in Pennsylvania is provided. Data:…

Q: The correlation coefficient may assume any value between ?

A: The correlation coefficient between the two variables gives the linear relationship between the two.…

Q: The gas mileages (in miles per gallon) for 31 cars are shown in the frequency distribution.…

A: The formula to calculate mean from frequency table is given by, Mean = (summation f.x)/(summation…

Q: Explain or draw a situation where the Mean Value Theorem or Rolle's Theorem wouldn't work.

A: Explain the roll's theorem and the mean value theorem.

Q: Suppose we collect students’ ages in a math course at the University of Mary.  We then calculate the…

A: Suppose we collect students’ ages in a math course at the University of Mary.  We then calculate the…

Q: 39. The following table gives the approximate increase in sea level in inches over 20 years starting…

A:

Q: This data type data is non-numbers, OR numbers that do not represent quantities.

A: Given: The description of the data that is provided in the given situation is as follows: 1) The…

Q: Given that the linear correlation coefficient r is found to be 0.867, what is the proportion of the…

A: Here Given linear correlation coefficient =r =0.867

Q: At 2:00pm a car's speedometer reads 60mph  and at 2:10pm it reads 70mph Use the Mean Value Theorem…

A: Let us consider the function is continuous between two points and the function is differentiable.…

Q: 5. A math quiz has 8 questions. The number of questions that 10 different students answered…

A:

Q: Use f(x) = x²/3(x - 5) and its derivative f'(x) = 5(x - 2) 3x1/3 to find each of the following. Find…

A: Given that a function f(x) = x2/3(x-5).And we find critical points.

Q: There is a strong negative association between latitude (angular distance north or south of the…

A: Confounding variable is a type of variable that affects both of the dependent variable and…

Q: 3) A cyclist starts from rest and travels 4 miles along a straight road in 20 minutes. Use the Mean…

A: According to the mean value theorem, in any interval a,b there exists a c such that…

Q: a) (i) Define moving averages and what they tell us, complete with an example of their use (ii)…

A: We have to define moving averages then to explain one example and also provide examples of seasonal…

Q: Below is a table showing the relationship between age and bone density of a typical healthy adult…

A: The value of r(correlation) between Age and Bone density is -0.9939 and it is calculated by Excel…

Q: Does the following data show inverse variations? \table[[x,y],[12,20],[3,5],[0.75,1.25]]

A:

Q: Which of the following sets of data represent valid functions? OF= {(-2,-4), (1, 3), (5, 4), (7, 8),…

A:

Q: Fourteen different second-year medical students at a hospital measured the blood pressure of the…

A: Given data is 128, 120, 125 , 129, 130, 138, 142, 125, 140, 145, 150sample size(n)=11Arrange the…

Q: The table to the right gives the number of passenger car occupants killed in accidents in a certain…

A: Frequency table contain different categories with the corresponding frequencies. In grouped data,…

Q: What is the mean of the curve in Figure (a)? What is the mean of the curve in Figure (b)?

A: We have to determine the means for the distributions shown in given figures (a) and (b).

Q: Which of the following sets of data represent valid functions? OR = {(– 5,0), (2, 3), (6, 4), (8,…

A:

Q: The following table gives the mean velocity of planets in their orbits versus their mean distance…

A: (c) The following power function is provided  v=29.73×d-0.5 When d = 3, v=29.73×3-0.5v=17.16