From the following data compute arithmetic mean by direct method : Marks : 0-10 10-20 20-30 30-40 40-50 50-60 No. of students : 5 10 25 30 20 10

Q: **. e20. Find Geometric mean for the following data: 10, 110, 135, 120, 50, 59, 60, 7

A: Given data is10,110,135,120,50,59,60,7

Q: If 99 people had a mean income of 13,500 how much is the mean income increased by the addition of a…

A: Given information- We have given the mean income of 99 people is 13,500. We have to find the…

Q: What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?

A: Arithmetic mean: x=∑xn

Q: find out the arithmetic mean for given data  69,98,87,74,45,62,36,54,12,14

A: We have given that  The data are 69,98,87,74,45,62,36,54,12,14

Q: find geometric mean for giiven data 54,45,85,63,96,75,12,3,65,19,85

A:

Q: Angela wants to estimate the mean number of siblings for each student in her school. She records the…

A: Explanation:Here, estimate the mean number of siblings for each student in Angela school. Moreover,…

Q: Compute Arithmetic Mean from the data given below: X= 12, 15,17,18, -20. а. 42 b. 62 С. 82 d. 8.4

A: Given data, x=12,15,17,18,-20 Arithmetic mean: x¯=∑i=1nxin

Q: Find the mean of the following data set: 55, 35, 45, 67, 12, 24, 48, 55, 58, 30 *Enter up to two…

A:

Q: find the value of the Geometric Mean and the Arithmetic Mean to the ng values: y = 4,8, 4,…

A: Geometric mean:

Q: Robyn Banks is an investor who acquired 100 shares of a company in year one at $10 and 50 shares of…

A: If the observations have unequal weightage then their mean value can be calculated by dividing the…

Q: Mr. Zuro finds the mean height of all 16 students in his statistics class to be 66.0 inches. Just as…

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Q: Age Classmark Frequency Cum. Frequency 20 43 28-32 33-37 38-42 43-47 30 35 40 20 23 114 159 185 71…

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Q: College students and surfers Rex Robinson and Sandy Hudson collected data on the​ self-reported…

A: Given that :Long board :13,20,21,22,9,10,17,12,18,10,10,4,17,22,5,9,12,11,Short…

Q: Find the Arithmetic Mean for the following data: 125,           128,     178,     154,     172…

A: Let X denotes the given data  X: 125,  128,  178,  154, 172 We have to find the Arithmetic mean…

Q: The data set shows the numbers of hours that employees at a certain shop worked in one week.

A: The mean of the data set is:

Q: Adam’s average (arithmetic mean) on four tests is 80. Which of the following CANNOT be the number of…

A: Arithmetic mean on four tests is 80. Which of the following CANNOT be the number of tests on which…

Q: Calculate the mean (all the three types) from the following data and comment on your solutions.…

A: Mean is the measure of central tendency. There are three types of mean. They are arithmetic mean,…

Q: The sample mean is a good estimate of the population mean because the lager sample compensate the…

A: It is an important part of statistics. It is widely used.

Q: The table shows, for four cruises, the numbers of crew members, passengers, and entertainers (not…

A: Cruise Crew Passengers Entertainers Cruise1 183 1600 40 Cruise2 224 3200 65 Cruise3 172 1200…

Q: Find the weighted mean for a particular student's scores on three exams if the first one was worth…

A: The weighted mean can be calculated as: Weighted mean = Sum of (weightage x score) / Sum of…

Q: Compute the geometric mean from the following data : 10, 110, 120, 50, 80, 60, 52, 37.

A:

Q: On a certain exam, Tony corrected 10 papers and found the mean for his group to be 75. Alice…

A: Given: Tony corrected 10 papers and mean for his group is 75 and Alice corrected the remaining 20…

Q: Given the mean of a certain data set as 155, what will be its new mean if all the data points were…

A: Remark: We know that, The mean (average) of a data set is found by adding all numbers in the data…

Q: Given x = 0, 1, 2, 3, 4, 5 how is the mean 1.5? Shouldn't the mean of x be 2.5?

A: Measures of Central Tendency: A measure of central tendency represents the central value or typical…

Q: find the mean if Z-score =14, st.Dev.=2.5, for a score of 8.5

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: Find the mean for the following list of numbers. 30,600 24,100 33,720 29,810 25,000 28,150 27,700…

A: topic - mean

Q: 40. Find geometric mean from the following data. X: 24.6, 254.0, 1429.0, 0.8321, 0.045, 0.0073,…

A:

Q: Given the mean of a certain data set as 115, what will be its new mean if all the data points were…

A:

Q: Find the Arithmetic Mean for the following data: 18, 16, 15, 21, 32 a. 20.4 b. 20.8 c. 21.2 d. 23.4

A:

Q: Florida State University has 14 statistics classes scheduled for its Summer 2013 term. One class has…

A: Let's x is number of number of classes and f is number of students in x number of class.The formula…

Q: Compute the geometric mean from the following data : Marks No. of students 0-10 10 10-20 5 20-30 8…

A: