Tree heights: Cherry trees in a certain orchard have heights that are normally distributed with mean-110 inches and standard deviation-12 inches. Use the 71-84 PLUS calculator to answer the following Round the answers to at least two decimals (a) Find the 24 percentile of the tree heights. (b) Find the percent of the tree heights. (c) Find the third quartie of the tree heights. (d) An agricultural scientist wants to study the tallest of the trees to determine whether they have a certain gene that allows them to grow taller to do this she needs to study all the trees above a certain height. What height is this? Part: 0/4 Part 1 of 4 Find the 24 percentile of the tree heights The 24 percent of tree heights is 101.6 inches Part 2 of 4 Find the percentile of the tree heights The 82 percentile of tree heights is 120.98 inches Part 3 of 4 Find the third quartie of the tree heights. The third quartie of tree heights is 101.2 inches Part 4 of 4 An agricultural scientist wants to study the tallest 1% of the trees to determine whether they have a certain gene that allows them to grow taller to do this, she needs to study all the trees above a certain height. What height is this? The agricultural scientist should study all the trees above 120.98 inches.

Q: Jessica wants to determine which letter appears the most often in her favorit Which measure should…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy.

Q: take the following scores from an interval scale and create a frequency table with all the…

A: For the given data create a frequency table with all the appropriate columns

Q: Find the standard deviation of this number set: {2, 4, 9} showing all of the steps involved as shown…

A:

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: Calculate the 3rd quartile, 9th decile and 46th percentile o the distribution

A: Quartile is the measure that divide the data into 4 parts with 3 points. Decile is the measure that…

Q: Students scored the following grades on a statistics test: 80, 80, 82, 84, 85, 86, 88, 90, 91, 92,…

A:

Q: Use the following data set: 13, 8, 10, 7, 13, 9, 7, 11, 12, 10, 13 to answer questions The range of…

A: Given Data: 13, 8, 10, 7, 13, 9, 7, 11, 12, 10, 13   Highest value=13 Lowest value=7

Q: Subject 1st 2nd #1 10 11 #2 4 6 #3 7 9 #4 6 5   a. Calculate the mean difference. b. Calculate SS…

A:

Q: 55.8, 2.7, 82.4, 10.0, 37.9, 43.8, 55.8, 10.0, 24.3 State the range rounded to the nearest tenth.

A: I have given the answer in the next step. Hope you understand that

Q: The Inter Quartile Range is the difference between the third and first quartiles. It describes the…

A: WE have to find given probability.

Q: Solve for the following. Show your complete solution and emphasize your final answers. For…

A: Quartile  Qi class=i(n+1)4th value of observation Percentile Pi class=i(n+1)100th value of…

Q: Find the range of the following data points: 100.1, 97, 77, 68, 123.4, 23.5, 214, 156, 214.2, 211,…

A:

Q: The population Mean is 125 with a st dev of 22.However , the population distribtuon is skewed to the…

A:

Q: TASK 2: Directions: Complete the following table and solve for the unknowns. Use extra paper if…

A: Mean of a Discrete Random Variable: The mean of a discrete random variable X, denoted by E(X), is…

Q: In Exercise, we have provided simple data sets for you to practice the basics of finding measures of…

A: According to the provided information, a sample of 5 observation are givenThe range is defined as…

Q: Calculate the 54th percentile of the data shown X 2.2 6 8.6 14 16.4 20.5 23.4 26.7 42.6 59.3…

A: Here's the calculation of the 54th percentile for the given data:Data: 2.2, 6, 8.6, 14, 16.4, 20.5,…

Q: A data set has five values. The 45th and the 55th percentile are both 25. The largest value is 125,…

A: We have to given that,   data set has 5 values i.e. n=5 and 45th percentile = 55th percentile = 25…

Q: The value of the stanard error of the mean for the scores :  1,2,3,4,5 ?

A: Solution: Let X be the random variable. The given data is 1, 2, 3, 4 and 5.

Q: q11- Median is which percentile of the data? Select one: a. 25th. b. 50th. c. 75th. d. 80t

A: b. 50th

Q: he first 8 data points have mean 110.63. The second 78 data points have mean 3.02. What is the…

A: From the given information, Consider,  n1=8, x1=110.63n2=78, x2=3.02

Q: The following frequency histogram represents the IQ scores of a random sample of seventh-grade…

A: " since you have posted a question with multiple subparts, we will provide the solution of only to…

Q: data set has five values. The 45th and the 55th percentile are both 16. The largest value is 64, and…

A:

Q: Calculate the measures of central tendency (mean, median, and mode) and the measures of dispersion…

A: The data represents the values of the monthly salaries (in dollars) of a group of teachers at an…

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: Electricity bills: According to a government energy agency, the mean monthly household electricity…

A: Solution Given That, Electricity bills: According to a government energy agency, the mean monthly…

Q: Calculate the 30th percentile of the data shown x 2 4.7 4.8 8.6 12.3 16.8 19.2 20.7 21.3

A: Given information- We have given a data set- X - 2, 4.7, 4.8, 8.6, 12.3, 16.8, 19.2, 20.7, 21.7 We…

Q: Mrs. Paz gave a 20 point quiz to her Geometry class (10 students). The scores were:18, 15, 12, 6, 8,…

A: Given that  The data are 18,15,12,6,8,2,3,5,20,10

Q: Take the following scores from an interval scale and create a frequency table with all appropriate…

A: For the Given data,  create a frequency table with all appropriate columns

Q: Find the 5 number summary for the data shown x 3.9 5.4 6.5 8.9 11.3 11.8 24.6 27.8 28.4

A:

Q: An instructor grades as follows: unit exams 20%, project 30%, and final exam 50%. A student had…

A:

Q: calculate the 30th percentile of the data shown, 3.4,3.9,7,11.7,14,20.3,26.2,27.8,28.9

A: given data 3.4,3.9,7,11.7,14,20.3,26.2,27.8,28.9arrange data in ascending…

Q: D. 3rd Quartile E. 7th Decile F. 65th Percentile also this

A: Median is the middle value that seperates the data into two equal halves. Percentile is the measure…

Q: Find the five-number summary for the following 10 values: 22, 22, 25, 19, 35, 29, 28, 19, 32, 27…

A:

Q: 14. A Blu-ray manufacturer knows that the disks are supposed to have a diameter of 120mm. An…

A: xbar = 120.07 mu = 120

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: state whether the parameter of interest is a mean or a proportion: in a survey, high school and…

A: Statement = " In a survey, high school and college students are asked whether or not they use…

Q: Calculate the 60th percentile of the data shown x 9.4 9.8 15.3 19.2 20.5

A: Answer - Calculate the 60th percentile of the data shown x 9.4 9.8 15.3 19.2 20.5

Q: Run the descriptive statistics for hrs/week of exercise.  Include the mean, median, quartiles, min,…

A: Given information: The data represents the values of the variables age, gender, height, arm length…

Q: From the states data set, get the descriptive statistics for the violent crime rate. For this…

A: given data

Q: For the following data: X-1.2.2. 3,3, 3, 4,4,4, 4, 5. 5.5, 6,6,6, 7,7.8 91 Find: A) Arithmetic mean,…

A: (A) The formula for the arithmetic mean is, The table with the necessary calculation is shown…

Q: What is the range of the data set? {6.2,9.1,2.9,1.6,9.3,5.5,8.3} Enter your answer as a decimal,…

A: Here we need to find the range from the given data values.

Q: Find the range for the given data, Mean= 26, maximum value =78 , median=34 and minimum value=18

A: answer: From the given data, Mean = 26 maximum value = 78 median = 34 minimum value = 18