Find the class midpoints and class boundaries. (b) Prepare the relative frequency and percentage distribution columns.  (c) Explain why you cannot determine exactly how many customers purchased 10 gallons or less.    (Please only answer the last two parts of the question)

Q: The median salary of the 1,073 teachers in a large public school district is $38,850. If the 65th…

A: The median salary of the 1,073 teachers in a large public school district is $38,850. If the 65th…

Q: How was relative risk calculated? Make a 2 by 2 table to display the data.

A: From the data given ,   Nonwhite Uranium expected deaths = 10 Nonwhite Uranium found death…

Q: In healthcare economics, life expectancy and infant mortality rates are often used to compare the…

A: Given problem Given that   In healthcare economics, life expectancy and infant mortality rates are…

Q: If we have the values ​​of the Xl views: 7,15,8,9,8,13,10. Distribution type views? I need this…

A: We can say from the problem that we have certain values of X.  We want to understand the nature of…

Q: A student was interested in the cigarette-smoking habits of college students and collected data from…

A: What type of chart best represents the relative class frequency ?

Q: For a list of quantitative data, what center measures are good to use? A) Mean, median, and mode B)…

A: Mean, median, and mode are the measures of central tendencies. These condense a huge unwieldy set of…

Q: Suppose automobile insurance companies gave annual premiums for top-rated companies in several…

A: Given boxplot:

Q: What does the shape of the box plot imply about the concentration of data? Use complete sentences.

A: Boxplot: Boxplot is the simple way to plot the observations of the distribution, with five-number…

Q: How will statistics play a part in a health provider's career?

A:

Q: What is the median of these restaurant ratings? 1 1 2 2 4 4 5

A: Median is the middle value of the series. Median for the odd discrete series is given by-…

Q: Batting Averages On April 16, 2016, the Toronto Blue Jays played a game against the Boston Red Sox.…

A: Batting average on April 16,2016. Toronto Blue Jays played against Boston Red sox  Batting average…

Q: What is the five number summary for the box and whisker plot? 10 15 20 25 30 35 40 Scores

A: Given: Box and whisker plot is given below:

Q: Here is a chart showing how many people are non-smokers, occasional smokers, and heavy smokers by…

A: Note:Hey there! Thank you for the question. Since you have posted two different questions together,…

Q: A school district wants to statistically summarize the student-to-teacher ratios for the schools in…

A:

Q: How do you find the average, spread, and outliers for quantitative data set?

A: The most frequently used measure to find average for quantitative data set is mean, median and mode.…

Q: Find the​ midrange for the data.   Listed below are the amounts​ (dollars) it costs for marriage…

A: Given that  The mid range =1519.5 The outliers = 2500,3000

Q: 3. Explain why the sampling distribution of the sample proportion is assumed to be Normal. Show your…

A:

Q: what does the shape of the box imply about the concentration of data? use complete sentences

A: In statistics, the box plots are graphical technique that tells us about the concentration of the…

Q: How is the goal of descriptive statistics served by putting scores in a frequency distribution?

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

Q: According to a​ government's census​ bureau, in February​ 2010, the median sales price of new houses…

A: According to a​ government's census​ bureau, in February​ 2010, the median sales price of new houses…

Q: The mean and median of a data set are always equal. O True O False

A: The mean and median are not always equal because it depends on the dat set.

Q: (a) One of Statistics assignment, students are required to do a survey to practice for data…

A: Data are the basic material needed for effective statistical inference and decision-making on a…

Q: he U.S. Census Bureau reports the median family income in its summary of census data. a) Why do you…

A: Mean is the average value around which the whole data set is concentrated. Mean for the set of 'n'…

Q: What does the shape of the box plot imply about the concentration of data? Use complete sentences.…

A:

Q: Does it make sense ? Why or why not? A pollster plans to improve survey results by only conducting…

A: A pollster plans to improve survey results by conducting polls in which the margin of error is zero.

Q: The sample varlance of the above data is

A: Bins x f fx fx^2 0-5 2.5 5 12.5 31.25 5-10 7.5 6 45 337.5 10-15 12.5 8 100 1250

Q: Identify the following as either descriptive or inferential statistics : "The average Chinese viewer…

A: Given : The average Chinese viewer watches 200 hours of TV per month.

Q: It is a branch of statistics that deals with data analysis and one of its technique is to “describe”…

A:

Q: If we took three different samples of college students (one from California, one from Arizona, and…

A: The samples are derived of 500 students from three cities, city C, city AR and city AL.

Q: percentages:

A:

Q: What is meant by the given statement: "If Senator Sotto walked into the employees’ union meeting…

A: By the given statement it is meant that income of Senator Sotto is quite high so that if he enters…

Q: A local store owner is interested in finding the mean age of her customers. She randomly surveys 82…

A: Key statistical concepts comprise of knowledge of population, sample, parameter, and statistic.

Q: What is ranked data?

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

Q: What are your ideas about the topic of Gathering and Cleaning the Data? Why do you think this topic…

A: Data preprocessing a step in data analysis when the raw data is converted to an understandable form.

Q: On the first day of class, a statistics professor asked her students to report their grade point…

A: Types of distribution in the graph of histogram:   In the histogram, if tail is elongated towards…

Q: Were any of the prices outliers? Explain how you made your decision

A: given : min=15 Q1=30 median=50 Q3=110 Max=200 Mean=71.75 Sd=52.08

Q: Which term best describes the shape of the data distribution pictured?

A: In this case, a picture of a histogram is given. Generally, a histogram is used to find the shape…

Q: Is the following nominal, ordinal, or interval data? Explain your answer.  Stock prices

A:

Q: Do the concepts of class limits, marks, cutpoints, and midpoints make sense for qualitative data?…

A: Qualitative variable: A variable that is used for classification of individuals based on some…

Q: Which statement describes box-and-whisker plots? A) they are divided into sections using quartiles…

A: In order to answer this question we must understand the box and whisker plot in detail which has…

Q: The distribution of number of people per household is

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: The most important aspects of variable distribution are: a. Histogram, bar diagram, pie chart, leaf…

A: The main aspects of variable distribution are : 1) The shape and form of the distribution to see…

Q: Find the mean, median, and mode of the data set. 9, 6, 8, 6, 7

A: Arranging the data in ascending order 6, 6, 7, 8, 9 n=5   ∑x=6+6+7+8+9=36

Q: from the letters of the word STATISTICS?

A: Given the letters of the word STATISTICS

Q: survey of US adults over the age of 18 asked about their use of social media. An analyst examined…

A: Given Data: 18-29 30-49 50-60 60 or above Total 285 412 354 217 1268

Q: I would like to know the difference between statistics and data.

A: Data is the raw form of information that is collected in the primary stage through research,…

Q: How do we report the percentage distribution for college major?

A: Given information: The frequency distribution for the college major and stats is given.