Four experts rank the five applicants in an interview as follows. APPLICANTS Experts 1 2 4 5 A 1 2 4 B 2 4 1 5 1 2 4 D 2 1 4 5 By using coefficient of concordance, indicate the degree of con- sistancy of the judges. 3. 3333
Q: A small-town mechanic says that 8% his customers come in for an oil change. When 1000 samples were ...
A: It is given that a small-town mechanic says that 8% of his customers come in for an oil change.
Q: 0.3. Calculate co-efficient of correlation between x & y by direct method, when x= 78 89 97 69 59 79...
A:
Q: The correlation between happiness and _______ is the strongest correlation in this study. Group of a...
A: The given output shows the results of a correlation analysis, examining the relationships between ha...
Q: RM10 000 is invested for 4 years in a bank earning a simple interest rate of 10% per annum.Find the ...
A:
Q: What is the shape of this graph?
A: Given that The histogram
Q: 9. Veronica ran a marathon (26 miles). How many yards is that?
A: Veronica ran a marathon of 26 miles : We have to calculate yards.
Q: 4. Let X-f(x;8) where f(x;0) = 0 (1-0)-10.1)(x), 8 € [0,1/2]. %3D a. Find the MME and MLE of e. b. F...
A: Given that X~ f(x,θ) where the probability mass function of X X follows the Bernoulli distributio...
Q: The average marks obtained in the annual examination is 65 with the S.D. of 10. The top 5% of the st...
A:
Q: Derive the equation of linear function for the following data b the method of least squares. Y 3 1 2...
A:
Q: a) Compute the probability that two randomly selected chips are defective using conditional probabil...
A:
Q: Cumulative Frequency Calculate mean deviation from median from the following data : Marks (Less than...
A:
Q: The following table shows the age (X) and blood pressure (Y) of 8 persons : X: 52 63 45 36 72 65 47 ...
A:
Q: Listed in the accompanying data table are student evaluation ratings of courses and professors, whe...
A: Given that, Sample size for course evaluations = n1 = 93 Sample size for Prof. evaluations = n2 = 9...
Q: What is the correlation between happiness and stress? Enter your value with three decimal places; d...
A:
Q: What do you understand by independence of attributes ? Give a criterion of independence for attribut...
A:
Q: the mean for the Verbal Reasoning section was 151 with a standard deviation of 9, and the mean score...
A: Note: According to bartleby experts question answers guidelines an expert can solve only first three...
Q: A variable is normally distributed with mean 18 and standard deviation 5. Use your graphing calculat...
A:
Q: t was raining heavily and after the rain has subsided, the road was still wet with small pools of wa...
A: An accidental event is defined as the first sign that can deviate from a normal situation that can l...
Q: Find the closest z-score from the table that yields the given proportion: P(z )= 0.3299 lote: You ca...
A:
Q: From the following data construct simple average of relatives quantity index number in 1986 with 198...
A: Index numbers are statistical devices to measure the relative changes in the level of phenomenon wit...
Q: Please give an analysis of the photo. Thank you
A: Given
Q: Apperson and Fitz is a chain of clothing stores that caters to high school and college students. It ...
A: Given: The data given is as follows Hits (x) Orders (y) 34.2 7.6 28.5 6.3 36.7 8.9 42.3 ...
Q: 14. A is a way of summarizing data by showing the number of observations that belong in the differen...
A: First understand the definition of different options given the question. A. Frequency distribution i...
Q: lecting Cards Find the probability of getting 3 face cards (king, queen, or jack) when 3 cards are d...
A: Given : Deck of 52 cards Then to find probability of drawing 3 face cards (1king ,1queen,1 jack) wi...
Q: calculating a certain cost of living index number the following weights were used: Food-15, Clothing...
A:
Q: (c) What is the probability that none of the five have written an editorial letter while under the i...
A: Given that n=5 , p=32%=0.32 , q=1-p=1-0.32=0.68 X~Binomial(n=5,p=0.32) X=Number of written an edito...
Q: Complete a table showing the frequencies with which words of different numbers of letters occur in t...
A:
Q: Select all answers that are true about the error sum of squares. It's an evaluation of how well a...
A: We have to choose right options for error sum of squares.
Q: a) What is the probability that a randomly selected individual is 45 to 54 years of age, given the i...
A: given data; Purchase likelihood 18 - 34 35 - 44 45 - 54 55+ Total More likely 232 353 366 400 ...
Q: . A certain type of storage battery lasts, on average, 3.0 years with a standard deviation of 0.5 ye...
A:
Q: In airline applications, failure of a component can result in catastrophe. As a result, many airline...
A:
Q: The estimated standard error is a measure of central tendency
A: The estimated standard error is a measure of central tendency :
Q: Judge and Cable (2010) report the results of a study demonstrating a negative relationship between w...
A: We have given that Weight 4 5 3 2 1 3 1 5 Income 151 88 52 73 49 92 56 143 Then we have to ...
Q: *Assian ASSIGNMENT 7 A Ghanaian Society of Investors survey found 30% of individual investors have u...
A:
Q: An article reported that for a sample of 54 kitchens with gas cooking appliances monitored during a ...
A: Given that Sample size n =54 Sample mean = 654.16 Standard deviation =166.59
Q: Calculate the coefficient of correlation between x and y. 4 6 8. 5 9 13 17
A:
Q: 1) What is the standard deviation of the sampling distribution for this situation? Round to four pla...
A: Given : n=72 Mean=149000 Population standard deviation =44000
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: question Initially, there were 9 workers, all being paid a uniform wage. Later, 10th worker is added...
A:
Q: For the following scores, X Y 3 11 4 9 1 13 7 2 5 5 Drag blue round points onto the following grap...
A: Steps to draw scatter plot using Excel: In Excel sheet, enter X and Y in different columns. Select ...
Q: If X is a Poisson variable such that P(X = 2) = 9P(X = 4) +90 P(X = 6), %3D %3D %3D find the mean an...
A: Both the above given questions are same I am giving Answer one of them.
Q: What is the probability (round to four decimals) that at least 30 individuals will experience these ...
A: Here P = probability of individual have side effects from flu shot n = 200 (sample size) Here use s...
Q: The mean finish time for a yearly amateur auto race was 187. 14 minutes with a standard deviation of...
A:
Q: C'. Determine the parameters in the given situations: A car mantufactue advestises that a new car av...
A: Given that The following statements We have to find the parameters: A car manufacturer advertise...
Q: Intensity of light was varied for five equal intervals (X) and its effect was observed on a dependen...
A:
Q: What do you understand by independence of attributes ? Give a criterion of independence for attribut...
A:
Q: Calculate Correlation Co-efficient from the marks secured by x & y. Marks secured by x = 40 50 55 58...
A:
Q: The number N(t) of supermarkets throughout the country that are using a computerized checkout system...
A:
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: Carl is conducting a research study and finds a significant positive correlation between a state's p...
A: The correct option is (B). Confounding variable
Step by step
Solved in 3 steps with 3 images
- Suppose the probability of incorrectly transmitting a single bit is . Compute the probability of correctly receiving a -word coded message made up of -bit words.A multinational firm hired a consultant to determine if the workers in their domestic plants were less satisfied with their jobs as employees in foreign plants. a sample of 2000 each was chosen from their foreign and domestic plants. 600 workers from their domestic plants were satisfied with jobs while 800 foreign workers were satisfied. if we test at the 5% level, what will we conclude? find and interpret the p value.The quality inspector of a certain factory states that 3% of outgoing products have major defects. A sample of 200 products have 5 defective products. Is there strong evidence that the statement of the quality inspector is true? Use α = 0.05
- 100 undergraduates and 100 graduate students are randomly chosen in a specific university and each is asked if he considers the instruction he is getting excellent, good, average, or poor. The table shows the results gathered: Use α = 0.05, do the groups differ on their impression of the quality of instruction in the university?A public opinion poll in Southern California was conducted to determine whether Southern Californians are prepared for the “big earthquake” that experts pre- dict will devastate the region sometime in the next 50 years. It was learned that "60% have not secured objects in their homes that might fall and cause injury and dam- age during a temblor." In a random sample of n = 864 Southern Californians, let X equal the number who "have not secured objects in their homes." Find P(496 ≤ X ≤ 548), approximately.If 4% of the bottles produced by a company are defective.determine the probabilkities of sample that in 100 bottles (a) two and (b) more than two will be defective
- A city official claims that the proportion of all commuters who are in favor of an expandedpublic transportation system is 50%. A newspaper conducts a survey to determine whetherthis proportion is different from 50%. Out of 225 randomly chosen commuters, the surveyfinds that 99 of them reply yes when asked if they support an expanded public transportationsystem. Test the official’s claim atα= 0.05.80 birds part of an experiment are given the time to choose what to eat of 3 options of worms. Results indicate that 33 choose species [one], 12 choose species [two], 35 choose species [three]. Conduct a chi-square analysis to test equal preference. obtained X^2 calc=15.12 and X^2 critical=5.991. How should a conclusion be written specifying the preference.Two jurors are selected from 4 alternates to serve at a murder trial. Using notations J1 and J2 to denote the simple event that alternates 1 and 2 are selected, list the 6 elements of the sample space.
- A researcher investigating a new product for clearing up acne selects a random sample of 13teenagers, and measures the amount of acnes they have. Afterwards, the researcher gives theparticipantsthe facial product to use, and asks that they report backafter 15 days of use. At theend, the researcher measures the acne numbers again and records the difference(after use minusbefore use).The results (in counts) aregiven below. Xi: -20, 8, 6, -14, -15, -14, 0, 1, 3, -7, -15,-4, 9 a.Identify the predictor and predicted variables. b.Determine if the studyisexperimental or non-experimental, explain why. c.Describe the levels of measurement for the variables, explain why. d.Report on the central tendencyby calculating the mean, median, mode. e.Report on the variabilityby calculating therange, variance, and standard deviation. f.Report on the kurtosis and skewness of the data.A researcher investigating a new product for clearing up acne selects a random sample of 13teenagers, and measures the amount of acnes they have. Afterwards, the researcher gives theparticipantsthe facial product to use, and asks that they report backafter 15 days of use. At theend, the researcher measures the acne numbers again and records the difference(after use minusbefore use).The results (in counts) aregiven below. Xi: -20, 8, 6, -14, -15, -14, 0, 1, 3, -7, -15,-4, 9 d.Report on the central tendencyby calculating the mean, median, mode. e.Report on the variabilityby calculating therange, variance, and standard deviation. f.Report on the kurtosis and skewness of the data.3) A medical association claims that less than 20% of adults in the US are regular smokers of tobacco. To test this claim the survey a sample of 125 US adults and find that 19 of them are regular smokers. Test the medical association's claim using α=0.05.
