Please explain e) step by step. Im lost with 3r quartile and 75 percentile. Please provide pictures

Q: A retail store is considering adding a new product line to its inventory. The store wants to know…

A: Sample size, N = 125favourable cases, x=70Confidence level, cl = 0.90level of significance,  = 0.10

Q: The following table shows the heart rate of students in a conditioning class after 1 minute of doing…

A: Outliers are determined by M=multiplying the interquartile range (IQR) by 1.5 will give us a way to…

Q: In a large data set, the 49th percentile is 523 and the 71st percentile is 675.  About what…

A:

Q: Create a Scatterplot of y against estimated median SAT among college freshmen.

A: Here, we have given the data for 2016 graduation rate and full-time undergraduate student to faculty…

Q: Section 1. IQ tests supposedly measure our intelligence. They typically are 'normed' so that they…

A: We have given that  Mean = 100 Standard deviation = 15

Q: I surveyed a sample of 68 customers in a business to see how much they spend in there.  Would this…

A: Parameter: Any statistical measure based on all units in the population is called Parameter.…

Q: III. The ages of qualified voters in a certain barangay were taken and are shown below Frequency 20…

A: Using the given age of voters in terms of the interval, and the frequency distribution for the…

Q: The heights of a group of men averaged 69 inches and followed the normal curve. The 91st percentile…

A: Solution: Let X be the height of group of men. μ= 69 inches  Average height of men.  The 91st…

Q: Many athletes (and their parents) worry about the risk of concussions when playing sports. A…

A: First let us sort the head circumferences (in inches) for the players on the team; No. Head…

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A: The histogram and normal curve for the variable Onlinehrs are given.

Q: Record the type of screened electronic devices (ipad, iphone, TV, laptop, etc) you have in your home…

A: The data measured in the experiment are of four types, they are nominal, ordinal, interval and…

Q: In a distribution of scores, the mean is 12, the median is 8 and the mode is 4. Describe the shape…

A: A distribution is said to be positively skewed / right skewed if Mode > Median > Mean  and…

Q: Explain why the minimum and maximum observations are added to the three quartiles to describe better…

A: Quartile: Quartiles are the values which divides the data into four equal parts. First quartile:…

Q: Based on the boxplots and the mean/median relationship what is the shape of each data set? Explain…

A: Given:

Q: What length of nails is considered to be at the 58th percentile of all nails?

A:

Q: Biologists studying horseshoe crabs want to estimate the percent of crabs in a certain area that are…

A: According to the provided data, a biologist wants to estimate the percent of crabs in a certain area…

Q: Listed in the data table are amounts of strontium-90 (in millibecquerels, or mBq, per gram of…

A: The following information has been provided:City 1City…

Q: The following table presents the average points scored per game (PTSG) for the 30 NBA teams in the…

A: Given PPG :…

Q: Fimd the Z score associated with the 15th percentile.

A:

Q: Given the total household is 2000, state the variable(s) of the study. Provide the type of data and…

A: Given, Total household = 2000

Q: On the right are ratings for passers in a football league. Find the three quartiles for the ratings

A: The first or lower quartile is given by, Q1 ={ (n+1)/4 } th term In the given data, n= 10 Q1 =…

Q: The scores and the percents of the final grade for a student in a stats class are given. What is the…

A: The student’s mean score is calculated below:

Q: Dr. Smith administered a test to her statistic class with 25 questions that were worth one point…

A: If n is multiplied by each observation, the new value for mean is, E(n×X) = nE(X) If n is multiplied…

Q: Histogram of US_county_data$median_age_2017 30 40 50 60 70 20 US county_data$median_age_2017…

A: The relative frequency for a given distribution is assumed as the likelihood of occurring (i.e., how…

Q: Draw a histogram for the data. Use a class width of 15. Be sure to include the screenshot of Excel…

A: Given that class width is 15. Arrange the data in ascending order since the lowest value is 15.…

Q: Marla scored 70% on her last unit exam in her statistics class. When Marla took the SAT exam, she…

A: solution:  The difference is that Marla’s exam in her statistics class was graded by percent of…

Q: Calculate normalcdf(106,125,100,15) and give the result. You may check it by finding the z-scores…

A: Normal distribution is also known as Gaussian distribution. It is a type of continuous distribution.…

Q: Sarah​'sscore on the Stats midterm was 81 points. The class average was 76 and the standard…

A: Given that  Mean = 76 SD = 5 And the Sarah's score is X = 81

Q: Construct a normal probability plot for the following sample of observations on coating thickness…

A: Given data set: The number of observations is, n=16 The mean is calculated below. μ=∑i=1nxn…

Q: The first quartile of the data values 45, 48, 31, 48, 50, 30  equals ?

A: Arranging the data into ascending order: 30, 31, 45, 48, 48, 50

Q: Mohammad Ali is said to have a Wechsler IQ score that places him in the 7th percentile. Use Excel or…

A: GivenMean(μ)=100standard deviation(σ)=15

Q: The 20th percentile is how many inches?

A: The mean is 64 inches and the standard deviation is 2.5 inches.

Q: The percentile gives an indication of the relative position of the scores. True or False?

A: Partition values are the values which divide the series into a number of equal parts.  * Three…

Q: Mina is waiting in line at the Department of Motor Vehicles (DMV). Her wait time is in the 85th…

A: It is clearly given in statement that at Department of Motor Vehicles waiting line is Mina wait time…

Q: onstruct a SCATTER PLOT involving the

A: Given data, Age Systolic Blood Pressure 55 150 78 104 50 140 60 140 31 120 70 150…

Q: Find the first and third quartile of these data,

A: here ascending order of given data  {1, 1, 1, 2, 2, 2, 3, 4, 4, 4, 5, 8, 9, 10, 15, 16, 20, 23, 33,…

Q: (a) Find the first and third quartiles of these data. The first quartile is The third quartile is

A: Arrange the data set in ascending order. There are 24 observations in the data set. First quartile:…

Q: Hurricane Damage Find the percentile rank for each value in the data set. The data represent the…

A: Given data  2.3,3.3,6.2,7.9,9.6,11.3 N =6

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Given that there are 24 families in the sample.  Mean=31 Median=27.2 7th percentile= 16 hours

Q: The ACT math scores of 15 high-school seniors: 18 15 25 24 21 17 32 30 20 27 28 24 18 27 28

A: Percentile rank of a score indicates the percentage of data that is equal of less than the score.…

Q: 25. The crab spider, Thomisus spectabilis, sits on flow- ers and preys upon visiting honeybees, as…

A: Given a test to 33 bees to choose between two flowers: one had a crab spider and the other did not.…

Q: what level of measurement is the rating of the overall quality of a textbook from excellent to poor

A: what level of measurement is the rating of the overall quality of a textbook from excellent to poor?

Q: I finished first in the high jump and third in the pole vault. determine whether the data described…

A: Nominal Data- Take more than 2 values but these values are not ordered –there is no natural ordering…