6. The - shows the number of observations with values smaller than the upper class boundary. A. greater than cumulative frequency C. frequency distribution B. less than cumulative frequency D. class mark

Q: Example females was Rs. 4,200. The mean salary of all the employees was Rs. 5,000. Find the percenta...

A: Given that  Average of all workers=MA=5000 Average of male workers=MM=5200 Average of female workers...

Q: J. 1. Find out co-efficient or correlation from the following: x= 40 50 55 45 50 60 65 65 70 80. y =...

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Q: P(z-1.45)= P(-1.88<z<0.5)= P(-0.69<z<0.69)=

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Q: The mean finish time for a yearly amateur auto race was 187. 14 minutes with a standard deviation of...

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Q: The number of workers employed, the mean wage (in $.) per month and standard deviation (in $.) in ea...

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Q: The Shareholders Research Centre of America has conducted recently a research-study on price behavio...

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Q: Use the standard normal table to find the following probability. Enter your answer as a proportion (...

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Q: Calculate the coefficient of correlation between x and y. 2 4 y 5 9. 13 17

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Q: Find the requested probability using the tree diagram below. 0.6 0.4 0.8 0.3 0.7 Enter the exact ans...

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Q: 3. What is rank correlation? When do we use rank correlation? What should we do in case of repeated ...

A: The relationship between variables, which can be defined through a mathematical quantity can be term...

Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with...

A: From the provided information, Mean (µ) = 67.2 Standard deviation (σ) = 4.0 X~N (67.2, 4.0)

Q: Let X1, ..., X, be a random sample (i.i.d.) from Geometric(p) distribution with PMF P(X = x) = (1 – ...

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Q: Computers in Schools Elementary and secondary schools were dassified by the number of computers they...

A: From the provided information, Computers 1-10 11-20 21-50 51-100 100+ Schools 23...

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget...

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Q: Topic major measures of Central value A machinery depreciated by 40% in the first year, 25 per cent ...

A: It is given that a machinery is depreciated by 40% in first year, 25% in second year and 10% in thir...

Q: Find the sample variance and standard deviation. 23, 15, 3, 8, 11 O ... Choose the correct answer be...

A: We have given that,  The data set is,  23, 15, 3, 8, 11 Then,  We will find the sample variance and ...

Q: In 1991 for working class people wheat was selling at an average price of $100 per 10 per metre, hou...

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Q: Starting at a fixed time, each car entering an intersection is observed to see whether it turns left...

A: We know that  Let X = the number of car observed. For example, for outcome L X takes value 1, for ou...

Q: 0. 6. Using fishers ideal index number construct a price index number in 1985 with 1979 as base year...

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Q: Variety reduction is generally known as:(A) Less varieties(B) Simplification(C) Reduced varieties(D)...

A: Let VR denote Variety Reduction.

Q: A speaks the truth 2 out of 3 times and B 4 vut of 5 times : they agree in the ussertion that from a...

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Q: Identifying Spam Text Messages Bayes' rule can be used to identify and filter spam emails and text m...

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Q: You make a trip which entails travelling 900 kms. by train at an average speed of 60 km. p.h.: 3000 ...

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Q: In a small town of 2535 people, 1859 consider themselves "conservative" on the political spectrum. W...

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Q: a member is selected at random from the population represented by the graph. Find the probability th...

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Q: At a certain university in Western Canada, 44% of all 1st-year students are registered in an introdu...

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Q: Explain the difference between absolute and relative dispersion. If 20 is subtracted from every obse...

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Q: In a survey of 83 people, 23 consider themselves republicans, 21 consider themselves democrats. The ...

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Q: In a survey of a group of​ men, the heights in the​ 20-29 age group were normally​ distributed, with...

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Q: Can the standard normal distribution be applied in all types of statistical problems? Why or why not...

A: Given information: It is required to state the usage of standard normal distribution.

Q: The frequency distribution of weight in grams of mangoes of a given variety is given below. Calculat...

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Q: Four year ago,lsmail deposited RM6 800 in an account that gives 4.55% simple interest per annum.Find...

A: It is given that  Principal amount (p) = RM 6800, Rate r = 4.55% Time t = 4 years

Q: (a) What is the probability that a US housing unit is owned with three or more occupants? Round your...

A: Here make tree diagram from given information 

Q: What is the correlation between happiness and stress?  Enter your value with three decimal places; d...

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Q: For the following data obtain (i) mean, (ii) median, (iii) mean deviation from median,

A: Given that The data are 0,-1,-2,1,4,5,6,8,12,11,10 Note: According to bartleby experts question answ...

Q: According to a poll, about 18% of adults in a country bet on professional sports. Data indicates tha...

A: It is given that the probability of adults in a country bet on professional sports is 0.18 and the p...

Q: 8. The "time consumed on Facebook on a particular day" is what type of variable? A. qualitative C. d...

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Q: Complete the following probability distribution table: Probability Distribution Table P(X) X – 6 0.2...

A: Given that  Probability mass function of X is  X -6 -5 39 78 P(X) 0.2 0.1 0.4 a

Q: A mail-order company business has six telephone lines. Let X denote the number of lines in use at a ...

A: We have given that, X be the number of lines having probability mass function is,  X 0 1 2 3 4 5 ...

Q: A wholesaler in apples claims that only* 4 per cent of the apples supplied by him are defective. A r...

A: Any assumption about the parameter or probability function is known as hypothesis testing. For the g...

Q: Weights of whole walnuts are normally distributed with mean 9.2 grams and standard deviation 0.104 g...

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Q: 4 4 points Shah Rukh invested RM5 000 in an investment fund for three years. At the end of the inves...

A: It is given that the sum of RM 5000 is invested for three years and at the end of the investment per...

Q: The probability that an international flight leaving the United States is delayed in departing (even...

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Q: question Initially, there were 9 workers, all being paid a uniform wage. Later, 10th worker is added...

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Q: In a survey, 17 people were asked how much they spent on their child's last birthday gift. The resul...

A: Givensample size(n)=17sample mean(x)=42standard deviation(s)=4confidence interval=99%

Q: Amelia plays basketball for her high school. She wants to improve to play at the college level. She ...

A: Given: X Y 5 15 7 22 9 28 10 31 11 33 12 36

Q: 1. Which of the following is NOT a probability sampling technique? A. pure random sampling C. system...

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Q: Example 19-3. Evaluate (a) A" (ax" + bx"–1) (b) A10 (1 – ax) (1 – bx²) (1 – cx³) (1 – dx+)

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Q: Part 1 of 3 (a) The number is odd. P (odd) = Part 2 of 3 (b) The sum of the number's digits is odd. ...

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Q: 1. Consider the thresholded AR(1) process J01a1-1 + wi if ai-1 < 0 01xt-1 02x1-1+ wi if x-1 20 where...

A: Given the threshold AR(1) process xt=θ1xt-1+wt     if  xt-1&lt;0θ2xt-1+wt     if  xt-1≥0 where wt is...