Which of the binning method for giving letter grades is the most fair for students at the boundaries? O a. equal width O b. Max-difference O . V-optimal O d. equal depth

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A: (c) Given Information: There are two golf balls, current and new. Distances by 20 balls traveled are…

Q: Q12. If 150 households were surveyed out of which 120 households have internet fiber cable, then…

A: Given Data: x=150-120=30 n=150

Q: ) Danny has scored 78, 74, and 72 on the first three exams in his math class. If the standard…

A: Calculate total marks obtained in 3 exam

Q: An employee had accumulated 20 competency credits with the grade with B's, 10 credits with C's, and…

A: make a table as shown  grade grade points credits earned grade point×credit A 4 20 80 B 3 25…

Q: Students at Neilson Middle School are asked if they prefer watching television or listening to the…

A: Given that, The total number of students at Neilson Middle School is 150. The number of students,…

Q: 3. The front row of a movie theatre has 23 seats. If you were asked to sit in the seat that occupied…

A:

Q: A student receives the following grades, with an A worth 4 points, a B worth 3 points, a C worth 2…

A: We have to find gpa.

Q: The U.S. Air Force requires that pilots have heights between 64in and 77in. The heights of women are…

A: Obtain the percentage of woman meeting the height requirement. The percentage of woman meeting the…

Q: he number of stores that must be sampled is

A: Given : Margin of error=E=0.05 Significance level=α=0.10 Our aim is to find the number of stores…

Q: Which of the subtraction model describes the following question? Maria needs 15 balloons for a…

A: Maria has 12 balloons and she needs 15 balloons for a balloon bouquet.

Q: A sample has SS= 20 and s? = 4. How many scores are in the sample?

A: Six scores are in the sample.

Q: For paired observations, the value of the average difference is?       A. either positive or…

A: For paired observations, we calculate the difference for each pair Then the average is taken by…

Q: 11) According to-the given data, how many of the passible sandwich combinations include either roast…

A: There are 5 kinds of beef and 4 types of cheese. If roast beef or salami is selected then there are…

Q: Ted identified the top five receivers available in the game by the number of receiving yards. Player…

A:

Q: The results for a survey of 120. students who were selected randomly are listed below: • 60 students…

A: Given Data: The number of students in the survey is: n=120 The number of students has cell phones…

Q: 3. Determine whether sex relate with the spelling proficiency of selected senior high students.…

A: For concluding the discrepancies between the theoretical values (i.e., the true score in terms of…

Q: As a relative proportion, which survey question showed the MOST difference in the responses given…

A:

Q: Find and interpret the z-score for Montana, which had 1.9% foreign-born residents.

A: a) The percentage of foreign-born residents is 1.9%. That is, score=1.9 From the output, mean=8.73…

Q: o compare the effect of weather on sales of soft drinks, a soda manufacturer sampled two regions of…

A: Introduction: Two sample proportion test: The two sample proportion test is used to compare the…

Q: a sample of size 32 and mean = 40, then the degree of freedom is Answer:

A: It is given that, sample size, n=32 Mean =40

Q: Requires a big sample size a. sampling error  b. quota sampling e sampling frame  d. money  e…

A: The topic comes under the purview of Sampling in statistics.

Q: A boxplot for a set of 60 scores is given below. T 5 6 8 10 11 12 13 DATA

A: Given: Box-Plot

Q: 7. Which group (i) or (ii) is more skewed ? (i) Mean = 22; Median – 24; s.d. = 10 (ii) Mean = 22;…

A:

Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?

A:

Q: Given μ˳ = 130, Mean = 150, = 25 and n = 84, what test statistic is appropriate? Select one: A. Z B.…

A: Given that, μ˳ = 130, Mean = 150, σ= 25 and n = 84

Q: he day of the week for which 777 randomly selected fatal bicycle accidents occure hat the…

A: Applying Chi-square test, Expected frequency (E) =  Total/n  = 777/7 = 111 Chi-square test statistic…

Q: For a population with u = 80 and o = 10, what is the X value corresponding to z-score = - 2.00? Edit…

A:

Q: The question is as follows: If 23 more HRDs responded to the survey, which of the following is the…

A: If 23 more HRDs responded to the survey, the objective is to determine the best estimate of the…

Q: A sample of n equals 20 scores is transformed into z-scores what is the meaning for the set of 20…

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Q: Two HR managers ranked the 12 entries to hire executives for operations department of a hospital is…

A: We have given ranks by two HRs and we have to find how much they are agree or disagree with each…

Q: For a z-score of Z = -2.2, give the proportion in the body (hint: use the z-table), and state…

A:

Q: Suppose you take a sample of 25 Reese's pieces. The proportion of orange is 0.4. What is the p-value…

A: Solution

Q: Assume that 30% of city employees in Carson City ride the bus to work. Answer the following…

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Q: 19 2. How can you tell whether a greater percent of customers surveyed selected veggie burger or…

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Q: If Gena's score is 85, the class average is 82, and the SD is 4, what is Gena's Z-score?

A: If Gena's score is 85, the class average is 82, and the SD is 4, what is Gena's Z-score?

Q: What percentage of the blocks are red?

A:

Q: What is P(A and Y) ?

A: here use basic probability  Probability  = =no of favorable outcomes total outcomes

Q: Which of the following must be used as the significance level if we want a lower possibility of a…

A: Solution-: Which of the following must be used as the significance level if we want a lower…

Q: Given Q3 = 13.01, median = 10.84, and Q1 = 5.06, what is the location of the upper fence for a…

A: Given,Q3=13.01Q2=median=10.84Q1=5.06

Q: Consider the corresponding contingency table in a sample of patients from a hospital. There is the…

A: Percentage is a number expressed as a fraction of 100. The symbol % is used to denote percentage.…

Q: A sample of Reese's pieces contains the following: 23 Orange, 14 Brown, 18 Yellow.  What is the…

A:

Q: the highest data of 50 leaves is 150mm and the lowest is 118m the desired class size is 9

A: Given  N=50 Highest value=150  Lowest value=118  Class size=9

Q: Find the coefficient of variation using the given information median nl 3.5 4 15

A: Provided information: Median=3.5, X bar (Mean)=4 ∑(Xi-X bar)2=15,  n=7 The variance of X is given…

Q: mr. One researcher wants to estimate the proportion of MU students who are vegetarian, 6 answered…

A: Sample size is 30. There are 6 students are vegetarians. The hypotheses are given below: Null…

Q: When a researcher changes their data analyses to get the p-value they desire, that is known as  a.…

A: The p-value is the probability calculated to find evidence against the null hypothesis, assuming the…

Q: 3b. Choose the correct description about the relationship of their measures * P

A:

Q: Which of the following would be an unacceptable level for a Type 2 error in a study?     .80…

A: We have to choose Which of the following would be an unacceptable level for a Type 2 error in a…

Q: Students at Lakeview Middle School were surveyed about their favorite color. The results are shown…

A: Contingency table are used to tabulate the categorical variable. It explain the frequency…

Q: C. According to the relative values of column entries, how should the participants be ranked?

A: Given According to the relative values of column entries to find how should the participants ranked.…