Q4. The following frequency distribution in terms of percentage shows the result of a fictional exam that was taken by 140 students. Marks Less than 50 50-59 60-69 70-79 80-89 90-100 25% Frequency as percentage of total students 15% 10% 30% 15% 5% How many students received at least 70 marks and above on this exam?

Q: 2 The two way frequency tablė given bélow shows receiving candies. Receive candies Do not receive…

A: total students =  20 +16                         =36 percentage of student who have birthday in may…

Q: For items a - j, refer to this) 1. A marketing research consultant conducted a survey of 40 persons…

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Q: r items 25 - 30, consider the frequency distribution of the Age of Employees of MTF Inc. omplete the…

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Q: For items 25 - 30, consider the frequency distribution of the Age of Employees of MTF Inc. Complete…

A: We need to solve questions from 25 to 27.

Q: For items 25 - 30, consider the frequency distribution of the Age of Employees of MTF Inc. Complete…

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Q: The following are the marks obtained by 50 students in statistics. Marks Number of Students 10 marks…

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A: N=80

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Q: Example 2 Locate the mode from the following frequency distribution. Marks: 40 50 60 70 80 90…

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Q: For items 13-19. Below is a simple frequency distribution of the scores of II - Erudi their…

A: 13) Given data,   Class width refers to the difference between the upper and lower boundaries of…

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Q: d the mean of the data summarized in the given frequency distribution. Compare the computed mean to…

A: Solution: Class(1) Frequency (f)(2) Mid value (x)(3) f⋅x(4)=(2)×(3) 40-44 2 42 84 45-49 4 47…

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Q: II. Suppose the following are the electric energy consumption of 50 households in a locality. Make a…

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Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

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Q: SOLVE THE FOLLOWING PROBLEM FOR CENTRAL TENDENCY AND MATH SCORES F X FX <CF 59 - 74 111 75 - 90 143…

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Q: The following is a sample of prices, rounded to the nearest cent, charged per gallon of standard…

A: Given: Sample size n = 13 Formula Used: Relative frequency = Frequencyn

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Q: 50 part-time students were asked how many courses they were taking this term. The (incomplete)…

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Q: (a) If 75% of the items were sold in birr 45 or less and most items were sold in birr 34, find the…

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Q: For items 25 - 30, consider the frequency distribution of the Age of Employoes of MTF Inc. Complete…

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Q: Lower Upper f cf rf crf 14 19 10 10 0.2 0.2 20 25 11 21 0.22 0.42 8 29 0.16 6. 26 31 0.58 32 37 35…

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Q: 云2 * 00 < CO T R 20 Question 38 The boxplot below shows salaries for Construction workers and…

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Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

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Q: Below is the frequency distribution table of the Mathematics test scores of 50 students. Is the…

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.