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: =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

Q: 1. Calculate the z-score for Baldy's wingspan. 2. Calculate the z-score for Alby's wingspan. 3.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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: 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: 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: 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: 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…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

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 = ?

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.