The average number of words in a romance novel is 64,331 and the standard deviation is 17,049. 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. The 70th percentile for novels is ______ words. (Round to the nearest word) b. The middle 80% of romance novels have from _______ words to _______ words. (Round to the nearest word)

Q: Convert each individual data value to a standardized z-score. A. FICO credit scores:. X=562, u=746,…

A: Givenx=562Mean(μ)=746standard deviation(σ)=63

Q: 1. Make a questionnaire with one question (using Google form) for a sample size of 30 students to…

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

Q: Construct the described data set. The entries in the data set cannot all be the same. The mean is…

A: It is needed to discuss about the mean.

Q: Carol and David want to estimate the mean amount of time people spend at their local shopping mall.…

A: The following information has been given: Carol's sample: 38, 115, 68, 47, 25, 51, 32, 95 David's…

Q: Q.1 Find median for the ages of seven preschool children. 1,3,4,2,3,5 and 1

A: The formula of median when n is odd is,   The median is,

Q: Create a frequency distribution & histogram on the GPAs of the students. Use ranges of 2.50-2.75,…

A: Frequency is the count or number of times an observation repeated. It can be tabulated or visualized…

Q: Identify whether the bolded number in each statement is a statistic or a parameter. 46.67% of…

A: Statistic is based on a sample whereas parameter define the entire population.

Q: Find the 83rd percentile of the following data set. 87, 90, 83, 78, 95, 82, 86, 84, 88, 88, 93, 95,…

A: Given, The data set is 87, 90, 83, 78, 95, 82, 86, 84, 88, 88, 93, 95, 82, 89, 88, 83         To…

Q: Use the magnitudes​ (Richter scale) of the earthquakes listed in the data set below. Find the mean…

A: The data shows the magnitudes​ (Richter scale) of the earthquakes.

Q: Take 50 observations at random ranged from (117- 254). Make a grouped frequency distribution. Find…

A: We draw a 50 random numbers between 117 to 254 using command #RANDBETWEEN() in excel. 195 158…

Q: Compute the mean, median, and mode of the data sample. (If every number of the set is a solution,…

A: According to the given information in this question We need to find the mean, Median and mode

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: A sample data consisting of 221 values is ordered in an increasing order. The median is Select one:…

A:

Q: Give the names of two other statistics that have the same value as the 50th percentile. Choose the…

A: Recall: Median is same as the 50th percentile. The 2nd Quartile distribute the data into two equal…

Q: The following set of data is given. 74, 94, 63, 99, 99 (a) Find the mean T. Round your answer to one…

A:

Q: In a shudy, researchere wanted to measure the effect of alcohol on the hippocampal region, the…

A: Given in step 2 is the answer

Q: Find the mean, median, and mode for the scores in the following frequency distribution table x f 1…

A: Let us write the frequency table in ascending order. x f 1 5 2 2 3 2 4 2 5 2 6 1…

Q: Three students were applying to the same graduate school. They came from schools with different…

A: Given: Data on GPA of three students applying to the same graduate school. The z score for Thuy with…

Q: Professor Pete’s calculus class has the following scores: 19   21   31   32   37   45   52   55…

A: Given, The scores are 19, 21, 31, 32, 37, 45, 52, 55, 62, 63, 63, 65, 65, 77, 78 Formula of Mean for…

Q: A sports statistician recorded the speed of every serve made by a certain tennis player at the U.S.…

A: It is given that the mean serve speed in the tournament is 98 miles.The distribution of the serve…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: A recent Nielsen analysis found that the typical U.S. smartphone user is spending an average of 220…

A: The random variable time follows normal distribution. The sample mean is 205. The sample standard…

Q: Find the population mean or sample mean Sample: 18, 10, 1, 12, 14 D Select the correct choice below…

A: The sample data is given as, 18,10,1,12,14. For the sample data the sample mean needs to calculated.…

Q: consists of everything or everyone being studied. O a. Population O b. Data O. Variable Od. Sample

A:

Q: In a city with three high schools, all the ninth graders took a Standardized Test, with these…

A: Given: X¯1=77n1=259X¯2=90n2=344X¯3=66n3=171

Q: Number of text messages received during the class for 5 students are given below. 5 2 5 4 a. Find…

A:

Q: Fifteen people were asked how many miles they commute to work each day. The data are summarized in…

A: Data is given. We have to calculate,  1) Median of the data? 2) Mean of the data?

Q: A random sample of participants in a diet and exercise plan were measured for the amount of weight…

A: As per our guidelines we are supposed to answer only one question kindly post the remaining question…

Q: Today, all boats in the Harbor Tour Fishing Company caught a total of six salmon with weights as…

A: Here 6 salmons weights are 16,23,18,31,14,19 pounds Arrange weight im accending order…

Q: Determine the range and standard deviation of the prices of camping tents shown below. $109, $60,…

A:

Q: u refers to the population mean while x refers to the sample mean. O A. True O B. False

A: Givenμ refers to the population mean while x bar refers to the sample mean

Q: Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9…

A: Weight of the 5 cats are given as 13, 12, 5, 12, 9 (In pounds) Find the mean and the median.

Q: The given data set is: 9 5 23 26 11 11 17 Find the median. Find the mean. Round to one decimal place…

A: The data is given as follows.x952326111117Want to calculate mean, median, and mode.

Q: A researcher randomly purchases several different kits of a popular building toy. The following…

A: The question is about measures Given :   To find : Mean of the data

Q: Find the median and lower quartile of the number of wins of the Mariners for 6 years.  Years and…

A:

Q: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to…

A: we have to find out the mean , median and mode for the given data.39,30,6,25,9,21,28,10data arrange…

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.