A researcher wants to know if feelings of general happiness vary by race? Their obtained frequencies are: White (very happy: 600; Pretty Happy: 1192; not too happy: 304) black (very happy: 111; Pretty Happy: 269; not too happy: 107) other (very happy: 95; Pretty Happy: 140; not too happy: 41) Column marginal (white: 2096; Black: 487; other: 276) row marginal (very happy: 806; pretty happy: 1601; not too happy: 452) N = 2859 Step 3: With α = .05, what is your critical score? a: 7.779 b: 9.488 c: 13.277 d: 18.467

Q: please answer question outline with red box as incorrect. (z=?)

A: Given:For 4-to-5-year-olds:n1​=50 (sample size)x1​=10 (number who sorted correctly)p​1​=n1​x1​​≈0.20…

Q: Item 8 of 21 The following table presents the intelligence quotients of runaway boys. Number…

A: For the given data Find 5th decile class = ?

Q: A sample was taken of 25 Diploma students who were planning to further their study to degree level.…

A:

Q: Given a data point X, what does the Z-score tells us about x

A: Formula for the z-score :  Z-score = ( X-μ )/σ  μ = Mean  σ = Standard deviation  Now it is clear  :…

Q: 3. If the median of the data set x, i ..n? the data set 2x+3. i 1, 1..n, is 10, what is the median…

A:

Q: Create a Histogram manually or using Excel for the following average gas mileage: 24, 17, 14, 22,…

A: The given observations are: 24,17,14,22,25,26,38,42,24,12,28,19,32,21,35,28,21,31,18,19

Q: The following are the number of customers who bought milktea during MGCQ and GCQ. MGCQ: 10, 15, 19,…

A: Answer :

Q: I want to want to estimate the population mean of sleep that I get each night. I have two small kids…

A: From the provided information, Sample size (n) = 30 The mean and standard deviation of this sample…

Q: After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they…

A: For the given select the correct choice and fill in the missing  % values

Q: For a data set of 133 values, a histogram created based on Sturge's Rule would have how many bins?

A: Given information: Number of observations. in data set = 133 Sturge's Rule is method of choosing the…

Q: Number of drivers involved with accidents 600 during night time. Number of drivers involved with…

A:

Q: 5 10 15 20 25 30 35

A: To find the lower extreme of the given box and whisker plots.

Q: the following are distances in miles traveled to a work place by 19 employees of a certain hospital.…

A: These are the sample data that have been provided: Observation: DistanceDistance  1 16 2 18…

Q: Volunteers count the number of breeding crabs on beaches on Delaware Bay every year. The measurement…

A: Given, The data set is given for the variables crabs and lobsters.  α = 0.05 n1 = 25 n2 = 25…

Q: For questions 1-11, use the Math_achievement.sav file. As part of a large national education study,…

A: In this case, we need to check whether there is a significant difference between genders in…

Q: Find the mean, median and mode of the following grouped data: Class Intervals Frequency 0-10 5…

A:

Q: Find mean and mode for the following data. You will make grouped frequencydistribution. In place of…

A:

Q: The frequency of '14' in the following data: 10, 12, 12, 13, 14, 15, 14, 14, 15 is?

A: Frequency: It is defined as the number of times the values occurred in the data. It is obtained by…

Q: If the lower boundary (i.e. lower fence) = 7 and there is a value 2 in a frequency of 5 (e.g. 2, 2,…

A:

Q: Construct a frequency table from the following data set: {68, 72, 58, 93, 80, 85, 85, 76. 68, 72,…

A: Arrange the data in non-descending order. 58 58 58 59 59 66 66 68 68 68 68…

Q: Face cards Color Suit Ace Two Three Four Five Six Seven Eight Nine Ten Jack Queen King Red Hearts Av…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: 3. For 474 employees, the gender and the variable WagesBin was measured (1=lowest income group until…

A: From the given data, the two variables involved in the cross table are: gender and wages Gender…

Q: The following are distances (in miles) traveled to the workplace by 7, 2, 37, 32, 27, 22, 16, 11, 6,…

A: Introduction A histogram is one of the common visualization features which is intended to generate…

Q: The boxplot shown below results from the heights (cm) of males listed in a data set. What do the…

A:

Q: For the following data set {29, 112, 13, 2, 27}, the stems are 1, 2, 11 and leaves are 2, 3, 7,9…

A:

Q: 5. Here is the list of grades from a test from a math class: IS ААAАВССССВСВАВАDDBOСССААFFDABВВ Make…

A: 5. The frequency for each category is obtained by counting the number of responses corresponding to…

Q: Find the mean, median, mode, and midrange for the given data. Round to the nearest tenth if…

A:

Q: a given below were taken from a study about preferred d le below indicates the numbers of people in…

A: *Answer:

Q: A researcher is testing which animal performs better on the anxiety task that involves a stranger…

A: Standard error of mean, SEM=sn And Standard deviation, s=∑xi-x2n-1 where Mean, x=∑xin

Q: For the following ordered data: 7,17,27, 37 Mean= 22 Median

A: Given data, 7,17,27,37   Mean=? Median=? Mode=?

Q: The National Sleep Foundation recommends that adults aged 18 to 64 get an average of 8 hours of…

A: