The monthly incomes of 10 families in a certain locality are 7. given below: A BC D E F G H I J Total 85 70 15 75 500 20 45 250 40 36 1136 Calculate the arithmetic average, the geometric mean and the harmonic mean of the above incomes. Which one of the three averages represents the above figures the best ? Give reasons.

Q: 8. If three symmetrical dice are thrown, calculate the probability that the sum of numbers is 12.

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A: The provided information is µ=45 σ=10 n=16   1. The standard error of the mean is SE=σn=1016=2.5 2.…

Q: small MODEL: small regression -- Model Summary R² = .510 n=126 Dependent Variable: %_BOOSTER…

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Q: Find the mode and the median for the following distribution: Variable 0-5 5-10 10-15 15-20 20-25…

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Q: Coefficients Term Constant x1 x2 x3 Model Summary S 3.47963 Analysis of Variance Source Regression…

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Q: True or False 1. Chi-square test of independence requires that there is no less than 1 observed…

A: Required: To determine whether the statements are true or false.

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Q: find the point estimate for observation

A: Given that  10.8 6.9 8.0 8.8 7.3 3.6 4.1 6.0 4.4 8.3 8.1 8.0 5.9 5.9 7.6 8.9 8.5 8.1 4.2 5.7 4.0 6.7…

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A: Given: Equation of line Y = -0.0396X - 3.6556 Coefficient of determination R2 = 0.995

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A: The provided information is x¯=198σ=15n=100α=0.05 a.The null and alternative hypothesis is…

Q: An article in the San Jose Mercury News stated that students in the California state university…

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Q: The overhead reach distances of adult females are normally distributed with a mean of 205 cm and a…

A: The provided information is  µ=205 cm σ=7.8 cm…

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Q: h A scrap metal dealer claims that the mean of his cash sales is 'no more than R80', but an Internal…

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Q: Show complete solution and follow steps in Test of Hypothesis A random sample of 50 bags of white…

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Q: 4. Calculate the mean deviation from the following data. What light does it throw on the social…

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Q: The mean weight of male dancers in a local modern dance company is at most 188 lbs. Express the null…

A: Given the mean weight of male dancers in a local modern dance company is at most 188 lbs. We have to…

Q: Calculate the value of t of the following given. (Round off your answer in two decimal places)

A: No.1 µ=48s=17n=25x¯=65Formula:t=x¯-µsnSolution:t=65-481725t=5.00

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A: Given Data : Population Mean,μ = 167 Population Standard Deviation,σ = 26

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A: Given: Margin of error E = 9% E = 0.09 Confidence level = 90%   Formula Used: Sample size n =…

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A: Given that  Sample size n =300 Favorable cases x =198 Sample proportion p^=x/n  =198/300 =0.66

Q: The pressure in a household water pipe averages 58 degrees PSI and has a standard deviation of 4…

A: Solution : Given information: μ= 58 Process average σ= 4 process standard deviation LSL= 40 Lower…

Q: 7. What is the critical value for a right-tailed test with a = 0.025 and a. 0.67 b. 1.96 C. 1.645 d…

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A: Given Level of significance=0.05 S1=4.7 S2=5.8 n1=10 n2=16

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Q: 2. What is the probability of getting three cards of the same suit when dealt 3 cards from a…

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Q: (note: use mu for mean or average , p for proportion, >= for , <= for , =/ for )   State the null…

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Q: 4 At the School fête, few people have entered any of the 24 meat raffles, so to support the school,…

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A: Solution: It is needed to identify the the population of interest, parameter of interest and sample.