The average number of words in a romance novel is 64,159 and the standard deviation is 17,401. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N(__________ , ___________)

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: mean = x̅ =Σf*M/Σf

Q: Approximate the mean of the frequency distribution for the ages of the residents of a town. The…

A: The table helps to find the value of mean. Midpoint, m frequency, f fm 4.5 31 139.5 14.5 36…

Q: A group of friends have walking time in minutes. They are A 324 B 550 C 400 D 900 E 150 F 60 G 600 H…

A:

Q: =y 3 5

A: The given data is Low Temperature Frequency 40-44 3 45-49 5 50-54 9 55-59 4 60-64 1

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Q: Five students find the following number of pencils in their backpacks: 3, 1, 4, 3, 15. Find and…

A:

Q: III. Use the grouped frequency distribution below to answer item numbers 19 to 25. Class Interval f…

A:

Q: A survey found that women's heights are normally distributed with mean 63.7 in and standard…

A: In a survey, Height of women follows the normal distribution with mean 63.9 in and standard…

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A:

Q: A dentist is researching time spent teeth brushing.  A sample of 13 brushing times is collected and…

A: Mean: The mean is the sum of observations divided by the number of observations. that is,Mean = x =…

Q: totals the proportion of observations that are less than or equal to the class at which you are…

A: We have to fill in the blank of the following statement. "__ totals the proportion or observation…

Q: he measure of dispersion O a. Interquartile range b. O b. Coefficient of variation O c. Range O d.…

A: Mean = x¯

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: Mean is a measure of central tendency. It is the average value of a set of observations. For a set…

Q: A class obtained the following scores on a test. Test Score Frequency 90 2 80 5 70 60 3 50 3 40 3…

A: From the given data, we need to find mean, median, mode and range. The solution is given below.

Q: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM.…

A: Here, x y d=x-y d-d (d-d)2 98.1 98.5 -0.4 -0.26 0.0676 98.8 99.1 -0.3 -0.16 0.0256 97.1…

Q: in a distribution of 600 values the mean is 90 and the variance is 225. answer each using…

A: Chebyshev's inequality : Chebyshev's inequality then implies that the likelihood of an observation…

Q: For the following situation, find the mean and standard deviation of the population. List all…

A: Mean = Σx/n = (505+634+555+611+583)/5 =577.6 Standard deviation= √(E(X2)-mean2) =>…

Q: 6. Showing all of your work, find the mean of the following set of data to the correct precision:…

A: Convert all standard form (power of 10) numbers to actual decimal numbers   :…

Q: Scores 51-58 59-66 67-74 Class Mark, A 54.5 62.5 70.5 Frequency, 3 7 15

A: The given data is; Scores Class Mark, x Frequency, f 51-58 54.5 3 59-66 62.5 7 67-74 70.5…

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: The frequency distribution is given as follows: Low Temperature ​(Fo) 40−44 45−49 50−54…

Q: A sample ofn observations has a sample mean of x = 100 and variance of o? 100. If a new observation…

A:

Q: observations are 1, 2 and 6, find the values of the other two. :19. The mean of 5 observations is…

A:

Q: Measure of variation is. median varance mode All

A: Measure of variation is which measures the spread of distribution such as range and variance…

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: From the provided information, The table can be constructed as: Low Temperature Mid value (x)…

Q: The average house has 10 paintings on its walls. Is the mean different for houses owned by teachers?…

A: The number of paintings on the wall of 14 surveyed teachers (i.e., n=14) are:10, 9, 13, 13, 9, 10,…

Q: Score 36 35 34 33 32 31 30 29 28 1 Frequency 2 4 3 5 4 3 3 4

A: We know that  Mean = sum of all observations/total number of observations  Median = middle value…

Q: 3. A website captures information about each customer's order. The total dollar amounts of the last…

A: Obtain the value of the mean absolute deviation.   Use EXCEL Procedure for finding the value of mean…

Q: The average final exam score for the statistics course is 75%. A professor wants to see if the…

A:

Q: Find the median for the data items in the given frequency distribution. Score, x Frequency, f 4 6. 7…

A: We have given that,  x      f 1     42     13     34     25     26     37     58     2 Then,  We…

Q: The data below are the frequency of cremation burials found in 17 archaeological sites. a. Obtain…

A:

Q: The distribution of the number of hours that a random sample of people spend doing chores per week…

A: Given that The distribution of the number of hours that a random sample mean and the sample standard…

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A:

Q: In a frequency distribution the coefficient of skewness based on quartiles is 0.6, if the sum of the…

A:

Q: Which set of scores has the smallest standard deviation?​ Group of answer choices a. ​5, 11, 42, 22…

A: a)Given data set is 5,11,42,22

Q: find the mean of the data summarized in the given frequency distribution. Age (yr) of Best Actor…

A:

Q: You randomly select and weigh 12 samples of an allergy medicine. Assume the weights are normally…

A: Given that n =12, t0.99 = ?

Q: H.W Chapter Five Q1. For the following sets of data, find the range, mean deviation and standard…

A: Range is calculated by subtracting the largest and the smallest value and it is a measure of…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.