Questions 19-20 refer to the following. The weights of bags of cookies are normally distributed with mean of 15 ounces and a standard deviation of 0.085 ounce. Approximately 68% of the weighs of bags lie between what values? (Use the empirical rule) Group of answer choices 14.83 and 15.17ounces 14.92 and 15.09ounces 13 and 16 ounces   20. What value is 2 standard deviation below the mean. show all the steps

Q: Which of the following are measures on positions of a data set? 1. the third qurtile 2. the median…

A: The third quartile, the median and the maximum measures the positions of a data set.

Q: Suppose you select a sample of 2,000 high school seniors' verbal SAT scores. The mean and standard…

A:

Q: Calculate the sample standard deviation for this data set: 88, 73, 91.

A: From the provided information, 88, 73, 91 The sample mean of the data can be obtained as:

Q: If the average weight for cats is 12 pounds and the standard deviation is 2 pounds. 68 percent of…

A: Given data: If average weight for cats = 12 pounds standard deviation = 2 pounds. To find: 68% of…

Q: Let's look at the relationship between hour Price (in thousands of dollars) and house Size (in…

A: Given Information: Price=-3.117+94.454 size Correlation coefficient r=0.77

Q: Illustration 10.7. Compute the standard deviation by the short method for the following data: 11,…

A: Data given  11,12,13,14,15,16,17,18,19,20,21

Q: Lecture(10.9): The Peabody Picture Vocabulary Test has a standard score population mean of 100, and…

A: *Answer:  Hypothesis Test

Q: A farmer wants to see if a new kind of fertilizer can help him grow better fruits. He prepares two…

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made on…

Q: Given a set of data sorted from smallest to largest, define the first, second, and third quartiles.…

A: By definition we know first quartile is the point below which 25% of the observation lies, second…

Q: Refer to the information in the below chart. Find the mean and standard deviation of the total…

A: The mean involves all the observation in the sample or population, it is calculated by adding all…

Q: Angela polled her first grade class about their family pets. The following data lists the number of…

A:

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: The given data is as follows:Population mean, Population standard deviation,

Q: Chere were three groups of tribal people and there Cephalic Lex were measure. The following are the…

A: Given; data values of three groups of tribal people and three chephalic measure ,mean and standard…

Q: Standard Deviation: A measure of the dispersion of a set of data from its mean. These are the steps…

A: Given temperature :  N=8 { 32,36,29,34,31,33,27,34 }  First we will calculate mean than we will…

Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: given data  cv = 1.9% μ = 3.2σ = ?

Q: Decide if the following statement is true or false. Explain why. It is possible to have a standard…

A: We need to decide if the given statement that " It is possible to have a standard deviation of -2…

Q: One of the following measures may take more than one value: Select one: a. Median. b. Mode. c. Mean.…

A: Median, mean and standard deviations take only one value.

Q: 20. For the data in the following sample: 10, 6, 8, 6, a. Find the mean and the standard deviation.…

A: 20. a. The mean of the sample is, x¯=∑ixin=10+6+8+6+55=355=7 Thus, the mean of the sample is 7. The…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: The Z-score of a normally distributed random variable X, with mean µ and standard deviation σ at the…

Q: Find the deviations from the mean for the set of data: 26, 29, 22, 24, 24. Score 26 29 22 24 24…

A: Given Data is, 26,29,22,24,24 mean,x¯ =26+29+22+24+245=25

Q: list the number of expenses for each day and create a graphical representation of the gathered data.…

A: list the number of expenses for each day and create a graphical representation of the gathered data.…

Q: Find the standard score and the percentile for a data value 0.6 standard deviations above the mean.…

A: As per the question we have In standard normal distribution Mean µ = 0 Standard deviation σ = 1 0.6…

Q: Which of the following statistics are unbiased estimators of population parameters? Choose the…

A: If the sample statistic is an unbiased estimator of population parameters then it is an estimate of…

Q: If a data value has a z-score of 3.00 and the mean of the distribution is 100 with a standard…

A: 1) Given data, z=3 μ=100 σ=15 X=?

Q: Use these Reading scores to anwser the following questions 7, 7, 8,10,14 ,11,13, 9, 8,12,15,15 A.…

A: Given reading scores are,7, 7, 8,10,14 ,11,13, 9, 8,12,15,15Total count, N = 12

Q: Solve each word problem. Show the conversion of raw score to z-score. Illustrate the appropriate…

A: Let X be the mean score  X ~ N (μ, σ) Given mean μ = 72 Standard deviation, σ = 6

Q: Find the number of standard deviations from the mean. Round your answer to two decimal places.  The…

A: Given information: The annual snowfall in a town is distributed with mean 35 inches and standard…

Q: 1. What is the data value associated with a z-score of 2? 2. What is the data value associated with…

A: Please note that as per our company's guidelines if multiple sub-parts are there in a question, we…

Q: Which of the following are measures on positions of a data seta the maximum the standard deviation…

A: Solution : Measures on positions of a data sets - Positional measures are also referred as measures…

Q: Answer according to Swikness theorm. Thank you Illustration : The mean and standard deviation of a…

A:

Q: A population has a mean u=87 and a standard deviation o= 28. Find the mean and standard deviat…

A:

Q: The USA Today reports that the average expenditure on Valentine's Day is $100.89. Do male and female…

A: Given that, sample mean for 46 males x¯m=$135.67 sample mean for 33 females x¯f=$68.64 Population SD…

Q: The mean (and standard deviation) snowfalls for two cities are noted below. Ottawa, Ontario Canada:…

A:

Q: What's the population standard deviation s? Ơ= 4

A: We have given  Sample mean =18 Sample variance s2=16