Calculate co-efficient of correlation from the following information by taking deviation from actual and Assumed mean: X= 2 4 5 8 11 y = 18 12 10 8 5

Q: The following table gives the classification of 100 workers according to sex and the nature of work....

A:

Q: A frequency distribution gives the following results : () Coefficient of variation = 5 (ii) Standard...

A:

Q: Calculate mean deviation from (i) mean, (ii) median and, (iii) mode from the following data relating...

A:

Q: C. The student has competed in Rhythm and Standard, but not smooth?

A:

Q: The middle interval that includes 0.85 fraction of z-scores is ± ________. a ± 1.44 b ± 1.47 c ± 1.5...

A:

Q: The length of pregnancies are normally distributed with a mean of 266 days and a standard deviation ...

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively. Thus...

Q: Problem: Determine the single sampling plans for an AOQL of 2%, process average of 1% and lot sizes ...

A:

Q: Calculate mode from following data: 10-20 20-30 30-40 40-50 50-60 60-70 X : 0-5 5-10 f: 128 150 520 ...

A:   Class Frequency 0 - 5 128 5 - 10 150 10 - 20 520 20 - 30 464 30 - 40 398 40 - 50 3...

Q: The data below shows the stock price history of BPI and BDO from January 14, 2022 to January 21, 202...

A: Given data BPI Historical data BDO Historical data  

Q: Suppose an experiment of a dodecagon (12-sided die) is rolled at random. If we let X to be the dodec...

A: Given that  A die (12 sided die) rolled at random   

Q: 4. A random sample of 15 students was selected from a population size of 100 (normal) in a certain d...

A: Gievn,sample size(n)=15sample mean(x¯)=400standard deviation(S)=17.50degrees of freedom(df)=n-1df=15...

Q: Co-efficient of concurrent deviations : Compute the co-efficient of concurrent deviation from the fo...

A:

Q: A factorial experiment was designed to test for any significant differences in the time needed to pe...

A:

Q: 1. A dermatologist wishes to estimate the proportion of young adults who apply sunscreen regularly b...

A: From the provided information, Margin of error = 0.03 Confidence level = 90%

Q: Example 17-43. Estimate a and ß in the case of Pearson's Type III distribution by the method of mome...

A:

Q: Which of the following statements are true about the relationships of alpha and beta type of errors?...

A: Answer :- Alpha and beta errors are inversely proportional with one another   There are main two typ...

Q: etermine the null and alternative hypotheses based on the following: A. According to the Centers for...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: Show your complete solutions A sociologist feels that the median age at which women marry in Palawan...

A: Given that,  A sociologist feels that the median age at which women marry in Palawan, is less than t...

Q: The following Table summarizes the main estimation results for the below model: C- Bo + B,R + Baet E...

A: It is required to test the slope coefficient β2, which is the coefficient of the variable, taxes col...

Q: Young's modulus is a quantitative measure of stiffness of an elastic material. Suppose that for alum...

A:

Q: An oil company estimates that only 1 well in 17 will yield commercial quantities of oil. Assume that...

A:

Q: Instruct. The random variable X represents the number of defective bulbs when 3 bulbs are tested. T...

A: It is given that the random variable X represents the number of defective bulbs when 3 bulbs are tes...

Q: Per person, $4,064 was the average yearly Medicare Hospital Insurance benefit in a recent year. If t...

A:

Q: Find the area of the shaded region under the standard normal curve. E Click here to view the standar...

A:

Q: Use spearmans rank correlation coefficient Rankings of 10 trainees at the beginning (x) and at the e...

A:

Q: A student's times per week utilization of computer lab are normally distributed, w/ a μ = 6.2 hrs an...

A:

Q: Create a frequency table for these data, beginning with a lower class limit of 20 and a class width/...

A: Given data Lower class limit = 20 Class width = 7

Q: Q. 11. Calculate missing frequencies from the following when mean is 1.5 and F 80. No. of events : 1...

A:

Q: A candidate is selected for interview for 3 posts. For the first post there are 3 candidates, for th...

A:

Q: 1 1 3 4 P(x) 1/5 Find d and construct a probability histogram to describe P(x). d/25 9/25 2d/25 2/25

A:

Q: A car hire firm has two cars, which it hires out day by day. The number of demands for a car on each...

A:

Q: In a random sample of ten people, the mean driving distance to work was 23.2 miles and the standard ...

A: Given,sample size(n)=10sample mean(x¯)=23.2standard deviation(S)=7.4degrees of freedom(df)=n-1df=10-...

Q: 6. The three samples below have been obtained from normal populations with equal variances. Test the...

A:

Q: O Points: 0 of 1 Save In a recent study on world happiness, participants were asked to evaluate thei...

A: Given : Mean response =5.6 Standard deviation =2.2

Q: Calculate mode from following data: 5-10 10-20 20-30 30-40 40-50 50-60 60-70 X: 0-5 f: 128 150 520 4...

A: Solution-: We have following data: Class (X) Freq. (f) 0-5 128 5-10 150 10-20 520 20-30 ...

Q: How do you you decide whether your a test is one, two, left or right tailed?

A: Any assumption about the parameter or probability function is known as Hypothesis testing (HT). 

Q: From the following data. Calculate Karl Pearsons co- eficient of Skewness: Class interval Frequency ...

A:

Q: Subject- Statistics and Probability Construct the normal curve and determine the shaded regions of ...

A:

Q: Consider the following Information: Rate of Return if State Ocgura State of Probability of Xconony S...

A: Given data 

Q: Q. 16. Calculate co-efficient of rank correlation from the following data. x= 15 12 14 13 7 5. 8 9. ...

A: X Rank(X) Y Rank(Y) 15 8 18 8 12 5 6 1 14 7 8 3 13 6 9 4 9 4 12 7 8 3 7 2 7 2 11 6 5...

Q: A biologist originally marked 40 butterflies in Rizal Park. Over a month-long period ­ butterfly tr...

A:

Q: Subject- Statistics and Probability Construct the normal curve and determine the shaded regions of ...

A: GivenThe area to the left of z=1.33

Q: Q. 11. Calculate missing frequencies from the following whe mean is 1.5 and F 80. No. of events : 1 ...

A: Concentration of all the values around the central value of the given data is known as measures of c...

Q: Determine whether the intercept coefficient (1664.46) is statistically significant at the 5 percent ...

A: Determine whether the intercept coefficient (1664.46) is statistically significant at the 5 percent ...

Q: In regression (1), Y is regressed against X1. In regression (2), Y is regressed against X1,X2, and X...

A: Given information: The residual sum of squares and sample sizes are given for 2 regression models.

Q: Speed (miles per hour) Frequency 42 - 45 46 - 49 50 - 53 54 - 57 58 - 61 29 16 The mean of the frequ...

A: We have given that data  I want to find mean.  Mean = sum of all observations/total number of observ...

Q: The price drivers pay for gasoline often varies a great deal across regions throughout the United Sl...

A: Two way ANOVA without replication : A two-way ANOVA in Excel without replication can be used to comp...

Q: From the following data construct Laspayres Price index number in 1989 with 1986 as base year. Commo...

A: We have given the following data  Let p0 and q0 denotes the price and quantity of base year 1986 and...

Q: 10. Birth Weights of Boys Use these summary statistics for birth weights of 195 boys: x = 32.7 hg, s...

A: M = 32.7t = 1.97sM = √(6.62/195) = 0.47μ = M ± t(sM)μ = 32.7 ± 1.97*0.47μ = 32.7 ± 0.932

Q: What are the four of the most important qualitative methods?

A: Let QM denote Qualitative Methods