: ?2 ≤ 169 Find the value of the test statistic. (Round your answer to three decimal places.)   Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. Do not reject H0. We cannot conclude that the population standard deviation is not 13.Reject H0. We cannot conclude that the population standard deviation is not 13.     Do not reject H0. We can conclude that the population standard deviation is not 13.Reject H0. We can conclude that the population standard deviation is not 13. I need help with B and D

Q: Which of the following could we find by examining a boxplot for a set of data?: I. mean II. median…

A: Given that, Which of the following could we find by examining a boxplot for a set of data?

Q: For a data set if arithmetic mean=50, median=50, and standard deviation =5. The distribution of…

A: given: mean = 50 median = 50 standard deviation = 5

Q: Paul plans to launch a new 3D printing business. He must understand the cost structure for existing…

A: From the provided information for the distribution of the cost structure of 3D printing business, it…

Q: The spreadsheet linked above contains various housing and economic data for all 50 states. What is…

A: To calculate the standard deviation of the median home values for the states in the West, we first…

Q: Answer the following statistic questions. Name two different shapes that are possible for…

A: The two  different kinds of shapes are possible for distribution in histogram are: Bell Shaped.…

Q: Zombieland is one of SF's favourite movies. Tallahassee, a character, is obsessed with twinkies.…

A: Given thatYears Count 1-627-12313-18919-24625-30331-361We have to find the average and standard…

Q: Choose a quantitative variable.  Measure it on two different samples of 10, drawn from two different…

A:

Q: Under what conditions are the median and mode a better measure of central tendency than the mean?…

A: Three measures of central tendency Mean, median and mode. Mean= average of data Median = middle…

Q: Given that a data set has the following data values: 2, 4, 6, what would be the standard deviation?…

A: We have given that,  The data set are : 2, 4, 6 Then,  We will find the standard deviation (s) = ?

Q: The annual income of a family is: $25,500, $54,000, $31,500, $37,500, $39,000 $36,750, $30,500,…

A: The annual income (in $) of families are: 25500 54000 31500 37500 39000 36750 30500 35250 31500…

Q: You are the director of public safety in Hinsdale. You want to evaluate two ambulance services that…

A: GivenThe mean and standard deviation of two ambulances are shown below Our objective is to choose…

Q: Develop your idea about quartile. The following data refers to the monthly starting salaries in Taka…

A: The first quartile (or lower quartile or 25th percentile) is the median of the bottom half of the…

Q: Consider the following data set: [21, 24, 13, 37, 25, 23, 8, 19, 10] Determine the 45th percentile.

A: The given data set is 21, 24, 13, 37, 25, 23, 8, 19, 10.

Q: Suppose phone bills have a mean of $78 and a standard deviation of $8. How much would a phone bill…

A:

Q: What is the sum of the deviation scores for the data in the frequency distribution table below?

A: Sum of deviation  of scores from mean is always zero.

Q: What statistical tool should be used for the problem?  An insurance company wants to determine the…

A: We need to identify suitable statistical tool

Q: noat question Assuming a normal curve, find the highest Z score a person could have while being in…

A: Given that  A) P(Z < a) = 32% B) P(Z < b) = 6%

Q: Why do you think that the mean is the most sensitive measure of central tendency?

A: We know that, mean is the ratio of sum of all observation and number of observation. Let, xi be the…

Q: Which of the following values will give us the most relevant information about a particular group of…

A: Hint: Different data sets may have the same mean. So, the Mean is not enough to get the relevant…

Q: In 2009, it was estimated that 63% of Americans supported the death penalty. In 2014, a Rasmussen…

A: sample size(n)=943 No. of Americans supported the death penalty(x)=536 population proportion=0.63

Q: A quantitative data set has size 80. At least how many observations lie within two standard…

A: It is given that a quantitative data set size is 80.

Q: 3. Number of laid eggs EGGS 462 480 498 98 75 55 No of days 57 516 42 534 30 552 21 570 588 25 11…

A: There are four activities given in this question along with the data generated from them. Heights…

Q: Based on the boxplot above, which one tends to be higher: median or the mean? Explain.

A: It is known that, for positively skewed distribution the mean of a set of observation is greater…

Q: what does the mean and the standard deviation represent in data set? how would i interpret the…

A: Mean and standard deviation in data set:The mean represent the average value in a data set. In other…

Q: What is the relationship between a frequency or relativefrequency distribution of a quantitative…

A: Justification:Qualitative and quantitative data:Qualitative data are non-numerical measures such as…

Q: Is it worth pursuing a doctoral degree in education if you already have an undergraduate degree? One…

A: The sample size for population 1 is 16, sample mean is 47000 and sample standard deviation is 5200.…

Q: DATAfile: Costco You may need to use the appropriate technology to answer this question. Consumer…

A: Sample data: 959083759598808382938680946462Sample size:

Q: Examine the following data set. 1.3, 2.5, 3.1, 4.2, 5.7, 5.7, 5.7, 6.4, 6.4, 8.9, 8.9, 9.1, 11.7,…

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Q: is the number of showers a person takes in a week a classified as a  discreet data

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Q: Given the following data: 8,5,6,10,8,3,6 find the A. Median B.Sample Mean C.Sample standard…

A: Given data, 8,5,6,10,8,3,6   Sort the data in ascending order. 3,5,6,6,8,8,10

Q: Which statistic would you use if you are interested in comparing the mean number of hours worked by…

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Q: Question 3 Determine the mean, median, and mode of following data set: 106.2 84.7 110.6 105.8 91.6…

A: According to the given information, we have Total number of observations = 10

Q: Given the following data set: 24; 32; 27; 22; 35; 18; 29; 25; 22.  Calculate the coefficient of…

A: Concept: Coefficient of variation (CV)=(Mean/standard deviation)*100

Q: Why is it important to report both a measure of central tendency and variability to describe a set…

A: Basic idea about measures of central tendency and dispersion Measure of Central tendency is the…

Q: The following refer to the following data set: 51.5 78.1 78.1 78.1 38.1 69.9 44.1 58 40.2 56.2 What…

A: The objective of this question is to calculate the arithmetic mean, median, and mode of the given…

Q: According to the U.S. Census Bureau, the average household income was $73,298 in 2014 (the latest…

A: Median is kind of average that divides the total data distribution in two equal parts.

Q: The average McDonald's restaurant generates $3.1 million in sales each year with a standard…

A: The random variable sales generated by McDonald’s restaurants in Maryland follow normal…

Continuous Probability Distributions

Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.

Normal Distribution

Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!