10 points Q/ In the vehicle speed test, the results are given in the table below: Find 1. Arithmetic mean 2. Standard deviation 3. Skew coefficient 4. Kurtosis coefficient Speed range (km/hr Speed range (km/hr Frequency(fi) Speed range (km/hr Frequency(fi) Frequency(fi) 34-35.9 44-45.9 22 54-55.9 13 36-37.9 46-47.9 56-57.9 38-39.9 48-49.9 18 58-59.9 6. 40-41.9 10 50-51.9 17 60-61.9 42-43.9 7 52-53.9 16 62-63.9 3 add file

Q: ependence between an individual's part First add on an extra column for row to decimal places.

A: Given contingency table : Expected frequency (E)  = Row total*Column total/Grand total Grand…

Q: It's true — sand dunes in Colorado rival sand dunes of the Great Sahara Desert! The highest dunes at…

A: A continuous random variable X is said to follow Normal distribution with parameters μ and σ2 if its…

Q: Education Not a H.S. graduate H.S. graduate Some college Bachelor Degree or higher The following…

A: The null and alternative hypothesis is,

Q: 2. A study was made on the amount of converted sugar in a certain process at various temperatures.…

A: There are 2 dependent variables which are temperature and conv. Sugar. We have to find the…

Q: Find the 25th, 50th, and 75th percentile from the following list of 31 data 2 3 10 11 12 18 22 29 30…

A: Ascending order, as shown in the table below Position X (Asc. Order) 1 2 2 3 3 5 4 10 5…

Q: Assume that both populations are normally distributed. a) Test whether u, #H, at the a= 0.05 level…

A: Given that  Sample Mean 1 (\bar X_1)(Xˉ1​) = 1313 Sample Standard Deviation 1 (s_1)(s1​) =…

Q: Calculate the expected value E(X) of the given random variable X. X is the number of tails that come…

A: Given Information: No. of times a coin is tossed/No. of trials (n)=58 P(tail in a coin)=0.5

Q: On MS Excel, list down all the numbers from 0 to 100 in one column A. On Column B, compute the…

A:

Q: Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a)…

A: We have given that Confidence level (c) = 99% = 0.99 σ is not known Sample size (n) = 55

Q: Suppose X has a Poisson distribution with parameter A and suppose the conditional distribution of Y…

A: It is given that X follows Poisson(λ) Y | X = x follows Exponential(θ = x+1)

Q: A set of 11 data pairs (x.y) were collected and were found to have a linear relationship given by: y…

A: A set of 11 data pairs; n=11 y=3.04x+0.99 Standard error=0.755 α=0.05

Q: From a box containing 4 Pink balls and 2 Green balls, 3 balls are drawn in succession, each ball…

A: A random variable follows the binomial distribution if it follows the conditions given below. There…

Q: he random variable X follows a Beta dis

A:

Q: Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities…

A: Given data: 265,210,189,172,168,167,147,147,147,142

Q: eadphone ( 6t whe gives the ae below tab

A: Given as, Y=10.2+1.6t

Q: * 2 Two cards are drawn at random without replacement from an ordinary deck. Let X be the number of…

A:

Q: 3. One sample from an independent-measures study has n = 8 with SS = 100 and M = 10. The other…

A:

Q: 14. You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: A kid's box contains 36 broken B toys and 23 good G toys. The parents plan to donate 18 to of their…

A: Given: 36 broken B toys and 23 good G toys. Total toys = 59 Parents plan to donate 18 toys of their…

Q: You may need to use the appropriate appendix table or technology to answer this question. IQ scores…

A:

Q: ildre

A: Categorical variables in which variable can use one of limited and fixed possible value. Categorical…

Q: 5. A health spa claims that a new exercise program will reduce a person 's waist size at least 2…

A: Confidence interval is a simpler and shorter way of testing the null hypothesis.

Q: The management at Fitness Fanatics Gym & Health Club has recently proposed four new levels of…

A:

Q: The five number summary of a dataset was found to be: 45, 49, 57, 64, 69 An observation is…

A: Solution-: We have five number summary as below: 45,49,57,64,69 We find, An observation is…

Q: Find the 74th percentile, P74, from the following data 1000 1100 1400 1500 2000 2300 2400 2500 2700…

A:

Q: llustration 22.4. With the help of an example show that while calculating total fertility rates if…

A:

Q: 7 0.25 10 0.10 12 0.25 14 0.35 16 0.25 18 0.05 0.65 10 0.35 (a) Construct a spreadsheet simulation…

A:

Q: Do political science classes require less writing than history classes? The 50 randomly selected…

A:

Q: 1. A biologist knows that the average length of a leaf of a certain plant is 4 inches. The standard…

A:

Q: to deliver products to an outline which is 600 km away from the company warehouse. At the same…

A: Given that  Time taken for delivery  = 10 hours Distance travelled = 600 kilometers    We know that…

Q: Production figures of a Textile industry are as follows : 1992 1993 1994 1995 1996 1997 1998 Year :…

A: The obtained trend line to estimate the production (in '000 units), using the year given as: Yt=a+bt…

Q: A store only sells two types of products: type A and type B. If a customer only buys product A, the…

A: Given that, a store only sells two types of products: type A and type B. If a customer only buys…

Q: Consider the following training set for a regression task. Length Width Output 25 25 120 15 30 95 20…

A: Consider the following regression model with intercept term: Ynx1=Xnxpβpx1+εnx1 where Y = Dependent…

Q: Topic: Plywood Manufacturing A product engineer wants to optimize the cutting of strips of wood,…

A: 1) The objective is to test whether there is a significant difference in mean of torque force for…

Q: Activity 2 A. Solving for the sampling distribution of its means. Answer the following problems. 1.…

A:

Q: Kiki has 7 black pens, 9 blue pens, and 6 red pens in her school  bag.Kiki randomly picks two pens…

A:

Q: A survey of 77 commercial airline flights of under 2 hours resulted in a sample average late time…

A: We have given that.Sample size (n) = 77Sample mean (x̅) = 2.40Standard deviations (σ) =…

Q: A store only sells two types of products: type A and type B. If a customer only buys product A, the…

A: Given that, a store only sells two types of products: type A and type B. If a customer only buys…

Q: f. What is our critical F value (from table)? g. Fill in the ANOVA summary table with your data Sum…

A:

Q: Based on the information in the table below, solve for the following probabilities. Negative Test…

A: Given information: Total no. of subjects=99 Total no. of positive test result=83 Total no. of…

Q: Which of the following is a deductive reasoning? a. The last digit of 2 raised to 6 is 6,so as 4…

A: Deductive reasoning: Deductive reasoning is the process of arriving at a conclusion based on…

Q: A magician plans to draw distinct cards from a regular deck. What is the probability (C) that the…

A: Given that, A magician plans to draw distinct cards from a regular deck. There are 52 cards in a…

Q: An online retailer would like to study the repurchase intention of their Customers. The shop has…

A:

Q: Question 5: A political party named LOLF (Law, Order and Latvia First) has exactly 4% approval…

A: Given:  Probability of succes  p=0.04  Sample size n=100  Sample mean Xbar=sum(xi)/n  Varience of…

Q: A study was made on the amount of converted sugar in a certain process at various temperatures. The…

A:

Q: Write the description of the data. Write the analysis. Write some related readings of the shown…

A: Analysis of the data is the process of analyzing each observation in order to find out the…

Q: a vase inside a room is as follows: Master's bedroom: 0.23 Children's bedroom: 0.03 Other bedroom:…

A: We will find the probability  P(Master bedroom)=0.23, P( Children's bedroom)=0.03, P(others…

Q: 2. A study was made on the amount of converted sugar in a certain process at various temperatures.…

A: Correlation explains the strength of association between the two numerical variable. The t test…

Q: Question 4 Which one of the following sequences is a geometric progression? O 3,6,12.24,48,. O…

A: The general form of a Geometric Progression is a1,  a1r,  a1r², a1r³, ………, a1rn-1,  a1 rn We get the…

Q: 4. With a sample of n 11 participants, the repeated-measures t statistic has df = 10, M, = -4, SMD =…

A: Given that  MD= -4 , SD=0.877 , n=11 , df=10