Which graphs are best for showing central tendency and spread of data. Stem & Leaf O Histogram Pie Chart O Boxplot O Dot Plot

Q: in a survey of 2230 adults, 57% thinks that land travel through a tourist bus is much more reliable…

A: Given,sample size(n)=2230sample proportion(p^)=0.57α=1-0.95=0.05α2=0.025Z0.025=1.96       (from…

Q: An employee group requires 6 people be chosen for a committee from a group of 16 employees. The…

A: Let us suppose there are three marbles viz. a red, a green and a blue. From these, there are three…

Q: An online site presented this question, "Would the recent norovirus outbreak deter you from taking a…

A: Given,n=34,640p^=0.671-p^=1-0.67=0.33α=1-0.90=0.1α2=0.05Z0.05=1.645     (from Z-table)

Q: Using the IQR definition of outliers, how many outliers are in this data set? Find the lower fence…

A: Formula for lower fence: Lower fence=Q1-1.5IQR Formula for upper fence: Upper fence=Q3+1.5IQR…

Q: 13. The class size of this frequency distribution is 6. MUKHANG TAMA SEEMS WRONG

A: We have given that the statement about to the frequency distribution. Here, need to find out the…

Q: JP got a bag full of colorful marbles. There were 35 of them: 8 orange, 6 green, 4 blue, 5 red, and…

A: Given that  8 orange, 6green, 4 blue, 5 red, and 12 yellow total = 35 she randomly selected two…

Q: . The fuel efficiency of an SUV is measured in miles per gallon (mpg). A company claims that their…

A: Given  Sample mean x̄=29.2,n=33,s=5.8

Q: Bilqees, a prospective university student who just matriculated, must decide which profession she…

A: Solution: X (X-X) (X-X)2 287 37 1369 196 -54 2916 276 26 676 252 2 4 275 25 625 325…

Q: A survey found that the American family generates an average of 17.2 pounds of glass garbage each…

A: Given that  μ=17.2 , σ=2.5 , n=55

Q: The average person spends a mean amount of $10.20 on coffee per week. You are interested to test if…

A: Given that   x̄ = 12.41 ,  μ = 10.20 , s = 5.25 , n= 31

Q: Write a short paragraph (about 30 – 50 words) to summarize the production cost of a metal bar. (The…

A: Given that, The production process can be modeled by a normal distribution with a mean length of 11…

Q: winning $12, a 20% chance of breaking even (not winning or losing any money), and 60% chance of…

A:

Q: naly mean of 60 kg and a standard deviation of 10 kg. A truck used to transport goats can only…

A:

Q: A 1992 article in the Journal of the American Medical Association ("A Critical Appraisal of 98.6…

A: Given that mu = 98.6,alpha=0.05 Test statistic =? complete the conclusion ?

Q: independent exponential random variables (b) Verify this inequality when X and Y are both with A=1.

A:

Q: In a poll of 512 human resource professionals, 45.5% said that body pierc big personal grooming red…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A data set includes both ways of 400 babies if we compute the values of sample statistics from that…

A: Given a data set includes both ways of 400 babies

Q: a. Is X a binomial random variable? Why or why not? b. What is the probability that exactly 56…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Exercise 5.8, we derived the fact that 4y¡Y2, 0 3/4). the conditional density function of Y, given…

A:

Q: If the linear correlation coefficient between the explanatory variable (x) and response variable (y)…

A:

Q: Question 1: What is the sample standard deviation for the salaries?

A: given data : 287,196,276,252,275,325,204,185

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A:

Q: Ten men were selected to test an exercise device by using it 4 times per week for 30 minutes Their…

A: There are two dependent samples which are before and after the exercise device. We have to test…

Q: Using the following data as given in the illustration frequencies for normal curve under the area…

A:

Q: The table shows the total assets (in trillions) held in a foreign bank for the given years. Complete…

A: Let t=0 for 2000, t=5 for 2005, t=7 for 2007, t=9 for 2009, t=11 for 2011, t=13 for 2013 and t=15…

Q: Which of the following is true about the probability density function (pdf) of a continuous random…

A: Given statements regarding probability density function (pdf) of a continuous random variable.  We…

Q: ý = 4.7320 1.1095 Should the regression be used to predict the final grade of a student with a…

A: We have given that,  The regression line is,  Y = 4.7320 + 1.1095*X Then,  We will find the predict…

Q: The number of hours 10 students spent studying for a test and their scores on that test are shown in…

A: The test is to check whether there is a significant linear correlation between the data.

Q: A random sample is to be selected from a population that has a proportion of successes p=.65.…

A: Given,p=0.65

Q: In a newly revamped huge city hall, fluorescence lamps are installed in 113 large exhi- bition…

A:

Q: Suppose that the joint distribution function of X and Y is given by f (x, y) =x+y If 0 < x < 1 and 0…

A: Solution

Q: Please take the following interval data and conduct the appropriate correlation test, and tell me…

A: Given: X Y 1 10 2 15 3 16 4 12 4 13 3 15 5 20

Q: 5. The sampling units and elementary units are always the same. MUKHANG TAMA SEEMS WRONG

A: We have the following statement.  The sampling unit and elementary unit are always the same.

Q: According to the National Institute on Alcohol Abuse and Alcoholism, and the National Institutes of…

A: From the provided information, Sample size (n) = 462 From which 166 admitted to having engaged in…

Q: The line of best fit through a set of data isy=17.985−1.182xy=17.985-1.182x According to this…

A: For the provided regression equation of y=17.985-1.182x, the value of the dependent variable (i.e.,…

Q: Make a histogram of the data using classes of width 2, starting at 0. Show the frequency…

A: Histogram is used for categorical data or continous data. It is a type of bar chart with 0 gap…

Q: Cars arriving for petrol at a particular petrol station follow a Poisson distribution with a mean of…

A: Introduction:  Poisson Distribution: Poisson distribution is the discrete probability distribution.…

Q: A test consists of five questions, and to past the test, a student has to answer at least three…

A:

Q: C D and E

A: Given Information:   Smoke(Yes) Smoke(No) Sample size Gender (M) 9 51 60 Gender (F) 9 81 90

Q: Consider a variable X taking two values X1 and X2. If X1>X2 has a meaningful interpretation, and…

A: X consist two values Meaningful interpretation = X1&gt;X2 &amp;  X2/X1 We have to choose correct…

Q: Claim: The standard deviation of pulse rates of adult males is more than 10 bpm. For a random sample…

A: The claim it that the standard deviation of pulse rates of adult males is more than 10 bpm.

Q: Assume you have a hypothesis test for mean: Ho : µ =25.07 Hị : µ >25.07 You have a sample with a…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 25.0725.07 Sample Standard Deviation (s)(s)…

Q: The middle 55% of jobs should be within what range of times?

A: here given, mean = 50 minute standard deviation  = 6 minute

Q: Homework, Chapter 7.2- Google Chrome A…

A:

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A: We have given that,  Age (class) :- 25-34, 35-44, 45-54, 55-64 Number (frequency) :- 26.2, 36.7,…

Q: 5. The position x of an object as a function of time t. Time, t (s) Distance, x (m) 5.0 -225 1.0 2.0…

A: Given that, The position x of an object as a function of time t. The table is given below for time…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(0…

A: The mean is 0 and the standard deviation is 1.

Q: 4. A researcher is interested in the percentage of HIV positive teenagers in South Africa. The…

A: We have given that statement. Here, need to find out that the given statement is true or false.…

Q: Muscular dystrophy is a genetic disease caused by a mutation on the X chromosome. During…

A:

Q: 13.Sketth the fird bel curve by shoving the mean and sandard deviation. 14. What are the data values…

A: Let X be the random variable from normal distribution with mean (μ) = 8.33and standard deviation (σ)…