67. Calculate the geometric mean of the following data :Wages55-6565-7575-8585-9595-105105-115No. of employees :345576.

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Answered: 67. Calculate the geometric mean of the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Which of the following statements about geometric mean return is are true: I. Geometric mean return is always less than or equal to arithmetic mean return II. Geometric mean return is used only for grouped data. III. Geometric mean return cannot be a negative number. a. I only d. III only b. I & II c. I & III d. III only
On the basis of a population survey, there were 84.4 million males and 98.2 million females 25 years old or older in a certain country. The educational attainment of the males and females is shown in the accompanying table. Complete parts (a) through (d) below.
f 8. Calculate Arithmetic mean for the following data Marks No. of students 0-10 10-20 12 20-30 30-40 40-50 50-60 30 45 50 37 60-70 21 T -1
The geometric mean of the following data is Classes:10_12 13_15 16_18 19_21 22_24 Fi:4 12 20 14 18
Find the mean for the given information below.
The monthly rents (in dollars) paid by 7 people are given below. (Note that these are already ordered from least to greatest.) 790, 930, 1015, 1025, 1060, 1075, 1098 Send data to calculator Suppose that one of the people moves. His rent changes from $790 to $720. Answer the following. (a) What happens to the median? O It decreases by $ O It increases by O It stays the same. (b) What happens to the mean? O It decreases by $ It increases by O It stays the same.
From the data given below, compute price index numbers using (i) weighted arithmetic average of price relatives, (ii) weighted geometric mean of price relatives. Group Prices in 2010 () .) Prices in 2013 ) Weights Food 100 90 30 Rent 20 20 15 Clothing 70 60 20 Fuel Others 20 15 10 40 55 25
The numbers of students in the 10 schools in a district are given below. (Note that these are already ordered from least to greatest.) 204, 250, 255, 262, 274, 311, 369, 381, 389, 415 Send data to calculator Suppose that the number 204 from this list changes to 304. Answer the following. (a) What happens to the mean? It decreases by U O It increases by O It stays the same. (b) What happens to the median? O It decreases by O It increases by O It stays the same.
Class: Frequency: Calculate the median of the following frequency distribution: 30-40 40-50 10 16 20-30 6 50-60 18 60-70 12 70-80 10 80-90 8
4. The number of watermelons collected daily in an orchard for the past 50 days are as follow: Number of watermelons 120- 125- 130- 135- 140- 145- collected daily 124 144 149 Number of days 1 26 13 2 Find the mean number of watermelons collected in this orchard daily. (answer: i = 137.6)

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67. Calculate the geometric mean of the following data : Wages 55-65 65-75 75-85 85-95 95-105 105-115 No. of employees : 3 4 5 7 6.