The number of 3.2, 5.8, 7.9 and 4.5 have frequencies x, (x+2), (x-3) and (x+6) respectively. If the arithmetic mean is 4.876, find the value of x.

Q: Which of the following sets have an arithmetic mean of 100, but a median smaller than 100? a) {80,…

A: Formula to calculate arithmetic mean is =( Summation  Xi)/n Here n= 3 (odd)  So median = (n+1)/2 th…

Q: The midpoint of any set of observed values is a. None O b. Mean O c. Geometric mean O d. Mode

A: We have to find correct answer from given option

Q: Suppose X ~ N (-2,3). Between what c values does 99.73% of the data lie?

A: The mean is -2 and the standard deviation is 3.

Q: Find the geometric mean of the following data by using both equations Compression rate Frequency…

A: From the provided information, The table can be constructed as: Compression rate Mid-point (x)…

Q: The results of a survey of 150 students about whether they own an electronc tablet or a laptop are…

A: total number of students= 150 and, no of girls=87

Q: (a) Find the harmonic mean from the following: 7 10 1,3. 15 20 25 28.

A:

Q: the average(arithmetic mean) of g and 100 is 75, what is the value

A: It is given that, the average of g and 100 is 75. we have to find the value of g+100=?

Q: Use the following equation to prove that : If we multiply the data values by a constant (say, c),…

A: Geometric mean is given by Let If we multiply c times to each terms, then GM will not be not change…

Q: A biologist exposed a certain type of bacteria to gamma radiation to see how long they would live.…

A: Given histogram is

Q: Teresa surveyed 100 students about whether they like pop music or country musc. Out of the 100…

A:

Q: A. Convert the following x-values to z-values if the mean = 48 and SD = 7 1.) x 2 55.6 2.) 43.1 <x<…

A:

Q: The table below shows a frequency distribution of the lifetimes of electronic tubes produced at a…

A: Given,

Q: Find Range and Coefficient of Range from the following frequency distribution. Values 42 46 50 54 58…

A:

Q: The geometric mean is under

A: The value that is used for describing the full data set using the central position within the data…

Q: The graph below shows five black bars. Adjust the light bar so that it has the mean height of the…

A: From the given diagram, the y axis (frequency) ranges from 0 to 15. The frequency of the first bar…

Q: In California, we need more rain to sustain the health of our natural environment, argriculture, and…

A: Given,

Q: the specified mean ana

A: According to the given sum, we need to find the probability P(50≤x≤70) where x follows normal…

Q: Do the following: d) Construct a frequency histogram. e) Construct an ogive.

A: Form the given data we have the frequency distribution as below: We plot the frequency histogram…

Q: How would you plot the points for cumulative frequency on a ogive?

A:

Q: Please, find the Harmonic Mean of the given data. ASAP Monthly rent less than (Rs.) 10 20…

A: Given Monthly rent less than (Rs.) 10 20 30 40 50 60 70 80   Number of…

Q: Jamle spun a colored spinner 20 times. The results of her spins are shown in the frequency table.…

A: here true option is(c) because if we divide 400/20 than this is equal to 20

Q: A ball is dropped from a height of 10

A:

Q: An educational researcher wants to see if the number of hours that a student watches TV is somehow…

A: The scatter plot is obtained using EXCEL. The software procedure is given below: Enter the data.…

Q: A data set with whole numbers has a low value of 20 and a high value of 89.Find the class width for…

A:

Q: Suppose X ∼N (-4,1. Between what xx values does 99.72% of the data lie?

A: Given: X ∼N (-4,1 ) To find: Between what xx values does 99.72% of the data lie?

Q: Which of the following values will give us the most relevant information about a particular group of…

A: Population Mean The mean of the total population considered for the study Population Variance The…

Q: Which of the following is NOT true about the arithmetic mean?

A: Arithmetic mean is often referred to as the mean or arithmetic average. It is calculated by adding…

Q: e Interested in the heights of students at a particular middle school. Your data set represents the…

A:

Q: Refer to the table summarizing service times​ (seconds) of dinners at a fast food restaurant. How…

A: The total number of individuals is the sum of all frequencies. The number of individuals included in…

Q: The following data give the speeds (in miles per hour) of eight cars that were stopped om I-95 for…

A:

Q: Given that there are 30 students in a class taking an exam. The average for Past years is μ0=86, σ=…

A: It is given that the population standard deviation is 7 and the true mean is 87.7. Also, the test…

Q: All of the following are true for mean EXCEPT *

A: Here use basics of measure

Q: The cumulative frequency diagram shows information about the ages of employees in two companies.…

A: The range of a data is found by the difference between the largest value and the smallest value. IQR…

Q: Use the table of frequency data to answer the question. Class Survey of Favorite Colors Favorite…

A:

Q: Find the mean of a student's test scores if e earned 93, 91, 85, 90, and 91 points on five ests. 89…

A:

Q: find the value of x if the numbers 7, x, 3, 9, 2 have a mean of 5.8

A:

Q: Referring to the table below, what is the frequency of the second class interval ?

A: The question is about frequency distribution Given :   To find : Frequency of second class interval

Q: The shape of the data is not important in a frequency diagram. True O False

A: We have to find whether it is true or false

Q: When we create a frequency table or histogram, we can still see all the information about the…

A: Frequency table or histogram is created by making group of some datas.

Q: What do you mean by relative frequency?

A: To understand the relative frequency let me first explain the frequency. Frequency - The number of…

Q: When we create a frequency table or histogram, we can still see all the informa the individual data…

A: When we create a frequency table or histogram, we can still see all the information about the…

Q: 1. The IQ of 5 members of a family are 108, 112, 127, 118, and 113. Find the range.

A:

Q: How do you construct a frequency table in Excel? Paragraph BI

A: We need to provide details on how to construct frequency table in excel

Q: The data was collected on the time spent for preparation of exams by a class of statistics students…

A:

Q: For these data, make a frequency table and calculate the average

A:

Q: Geometric Mean GM = VXi. x, • ... = ly X;) - Antily (# E

A:

Q: If the mean of five observations x, x+2, x+4, x+6, x+8 is 11, find the mean of first three…

A:

Q: 25 35 72 71 88 94 77 74 43 56 56 74 55 62 77 49 86 42 66 97 58 45 73 45 83 85 47

A: Given data:…

Q: The histogram and the frequency table show the same information about the time that vehicles spent…

A: (1). Complete the histogram and the frequency table: The frequency table for the time that vehicles…