The accompanying data are 45 commute times to work in minutes for workers of age 16 or older in Chicago. Construct a frequency distribution. Use a class width of 15 minutes and begin with a lower class limit of 0 minutes. Do the data amounts appear to have a normal distribution? Examine the data and identify anything appearing to be unique. | Click the icon to view the commute times. ..... Construct the frequency distribution. Commute Time (minutes) Frequency

Q: The values 25, 26, 25, 25, 25, 26, 39, 41, 90, 101 appear to follow a normal distribution. O True O…

A: We have given that that data 25, 26, 25, 25, 25, 26, 39, 41, 90, 101. Here, we need to find out that…

Q: In any symmetrical distribution, what percentile would be associated with the mean value? What…

A: For a symmetric distribution, often the mean, median, and mode all occur at the same point.…

Q: Refer to the accompanying data set and use the 25 home voltage measurements to construct a frequency…

A: the data is given for 25 days and corresponding voltage. lower limit of first class is 126.8 class…

Q: ) In a normal distribution, what is the z- score of an observation that is at the 39th percentile?

A: We have to find z score..

Q: Assume that the mathematics scores on the SAT are normally distributed with a mean of 400 and a…

A: It is given that the mean is 400 and standard deviation is 50.

Q: For any normal distribution, the mean, median, and mode will have the same value.

A: Our aim is to find the given statement is true of false

Q: The average time spent sleeping (in hours) for a group of medical residents at a hospital can be…

A: (a) The shortest time spent sleeping that would still place a resident in the top 5% of sleeping…

Q: Refer to the accompanying data set and use the 25 home volta distribution with five classes. Begin…

A: The frequencies is constructed in such a way that the number of observations falls between the…

Q: In a Normal distribution 7% items are under 35 and 89% are under 63. Find its mean and standard…

A:

Q: In a normal distribution A. Values at the tail ends are less likely to occur than the mean. B. A…

A: We want to find the true statement about normal distribution,

Q: Use the "Statistics" function of your calculator to find the mean and standard deviation for the…

A: Given : Data represents the heights of teen adults (in inches) .  It's mean and standard deviation…

Q: Which of the following is closest to the shaded area under the normal distribution curve shown?

A: The area under the curve is less than 2 standard deviations away from the mean. Thus, around 97.5%…

Q: A certain dataset has the following values: Mean = 40; Median = 30; Mode = 30 What is the shape of…

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

Q: The table below shows the frequency distribution of the rainfall on 52 consecutive Wednesdays in a…

A: Enter the data in an Excel sheet.

Q: If instead of 25, 80 male runners are selected for the study, what is the sampling error at 95%…

A: Given that Sample size n = 80 Sample mean = 53 Population SD = 5.5 Margin of error E = 0.8 The…

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A: Given data,μ=1800σ=65

Q: Approximately one-third of Canadians have some form of privately-covered long-term disability…

A: It is given that n = 150 and p =1/3.

Q: Below is the graph of a normal distribution with mean = standard deviation o = 84 and 2.4

A: Given Information: A graph of a normal distribution with mean μ = 84 and standard deviation σ=2.4 To…

Q: For a right-skewed distribution, which is greater: the mean or the median? Give a brief but specific…

A: If the distribution is right skewed then the values fall on left of the distribution. The tail on…

Q: ssume the average amount of caffeine consumed daily by adults is normally distributed with a mean of…

A:

Q: (When your trying to study) Wait times at a dentist's office are typically 21 minutes, with a…

A: Let us denote X=the number of people seen by the doctorGiven that X follows a normal distribution…

Q: A group of students in a math class were surveyed and asked: “How many hours each week do you study…

A: Solution

Q: Male Data in inches 68 67.7 65.5 68.1 72.5 65.4 71.2 67.7 62.5 73.5 65.1 65.3 65.5 72 73.2 77.2 70.5…

A: Note: Since you have posted questions with multiple subparts we will solve the first three questions…

Q: A normal distribution curve has an egg shape when plotted. O True O False

A: Normal Distribution Curve The normal distribution is a symmetrical distribution function on both…

Q: For a normal distribution, find the z-score location that divides the distribution as follows:…

A: a) It is given that the z score separates the bottom 20% from the rest.

Q: Assuming that the heights of college women are normally distributed with mean 61 inches and standard…

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Q: If a set of observations is normally distributed, what percent of these differ from the mean by (a)…

A:

Q: For any distribution, what is the z-score corresponding to the mean?​

A: The z-score of a random variable x is defined as follows: z = (x – µ)/σ. Here, µ and σ are the mean…

Q: Using visual inspection with the given histogram and Q-Q Plot below, does the data show evidence…

A: In the Q-Q plot our variable follows normal distribution the quantiles of our variable must be…

Q: High school students across the nation compete in a financial capability challenge each year by…

A:

Q: For a normal distribution where the mean is 50 and the standard deviation is 10, what percentage of…

A: The random variable X follows normal distribution with mean 50 and standard deviation 10. The…

Q: In a normal distribution, 31% of the items are under 45 and 8% are over 64. Find the mean and the…

A: Given Data: Let X represent the variable P(x<45)=0.31 P(x>64)=0.08   X~ Normal μ, σ2   To…

Q: Which is correct for a distribution that is skewed to the left?

A:

Q: For any distribution, what is the z-score corresponding to the mean?

A:

Q: Which one of these statistics measure is unaffected by outliers? а. Mean b. Median С. Standard…

A: The objective is to find the statistics measure that is unaffected by outliers.

Q: For a normal distribution, find the z-score location that divides the distribution as follows:…

A: a. The standard normal variable Z follows normal distribution with mean 0 and standard deviation 1.

Q: Use the normal distribution to the right to answer the questions. (a) What percent of the scores are…

A: From the given information, µ = 20.2 and s = 5.1. Let the random variable X denote the score of a…

Q: In a job fair, 5,000 applicants applied for a job. Their mean age was found to be 28 with a standard…

A:

Q: Given a normal distribution whose mean is 590 and whose standard deviation is 74, find the…

A: Given that  X~Normal(μ= 590 , σ= 74 )  μ= 590 , σ= 74 , n = 24

Q: The following data represents the number of blogs that a sample of students state they follow. 12,…

A: From the provided information, 12, 3, 10, 9, 0, 1, 8, 7, 3, 10, 19 Number of observations (n) = 11

Q: The fuel efficiency , in miles per gallon, of small utility trucks was measured. The results are…

A: It is given that the fuel efficiency in miles per gallon.

Q: If a normal distribution has a mean of 60 and a standard deviation of 5, complete the normal…

A:

Q: The mean, median, and mode of a normal distribution are (Choose one) each other. standardized by…

A: For Normal distribution, mean, median and mode are coincide.

Q: Explain term refers to the standard deviation of the sampling distribution?

A:

Q: High school students across the nation compete in a financial capability challenge each year by…

A: In general, z-score denotes the number of standard deviations from the mean.

Q: for a pertectly symmetrical distribution, which relationship is always true O Manmedian mode O…

A: Here we need to choose from the correct option.

Q: Regardless of the shape of the population, the sampling distribution of the mean approaches a normal…

A: The central limit theorem (CLT) states that the distribution of sample means approximates a normal…

Q: Q 600- 400- 200- 10 15 Stay (days) # of Female Patients

A: Given histogram :

Q: The histogram on the right represents the connection time in seconds to an internet provider.…

A: what measure of central tendency best describes the center of the distribution ?

Q: For a normal distribution, find the z-score location that divides the distribution as follows:…

A: a) It is given that the z score separates the bottom 30% from the rest.