Q1, The following data was taken for a class weight, find the following 1- The Average 2- The std. Deviation 3- The Kurtosis

Q: Suppose that you have obtained a sample with the intent of performing a particular…

A: Solution: We have to determine:If we have obtained a sample with the intent of performing a…

Q: For a chi-square test for independence or goodness of fit, which of the following is true?.​…

A: We have given the following statement about the chi - square distribution.

Q: A professor gives A's to students with z-scores of +1.50 or higher. a. What proportion of a class…

A: The distribution of proportion should be normally distributed. z-score = 1.5

Q: The following data refers to yield of tomatoes (kg/plot) for four different levels of salinity.…

A: Given the data refers to the yield of tomatoes (kg/plot) for four different levels of salinity as1.6…

Q: Use the zz-score formula, z=x−μσz=x−μσ, and the information below to find the mean, μμ. Round your…

A: Using the z-score formula and the given information, we have to find the mean.

Q: Calculate the z score where x = 15, µ = 1, and σ = 5

A:

Q: = .7 and p, = .6. Test Ho: (P, – P2) =0 against Ho: (P, - P2) >0 using. .05 a =

A: Hypothesis testing about the difference between two population proportions is otherwise called…

Q: Given the (x,y) data points (1,0) (3, 1.12) (4, 2.46) for the Xo X, and x, respectively. Using…

A:

Q: 8. For the compressive force of 7 concrete bricks in pound/inch2 are as following: 1939.6 2033.6…

A: X                                       X2     1939.6                          3762048.16…

Q: For numbers 5 to 7:A study was conducted to examine the effect of thermal pollution on the growth of…

A: It has been stated that one of the assumptions for the parametric test was not satisfied. So, it is…

Q: An abrasion test was performed using n = 14 moulded ceramic pieces. The following are the test…

A: Given the result of a performed an abrasion test using moulded ceramic pieces:(Survived,8),…

Q: C. Compute the sample coefficient of determination and interpret. D. Using a 0.01 level of…

A: The provided information is  Temperature x Conv. Sugar y xy x2 y2 1.0 8.1 8.1 1 65.61 1.1 7.8…

Q: If the coefficient of determination between two independent variables is 0.24​, what is the​ VIF?…

A: Given variation inflation factor VIF that is R2 is 0.24 The formula for VIF is, VIF=11-R2

Q: The profits of a mobile company are normally distributed with Mean of R.O (19 x 10) and standard…

A: Solution: c. Let X be the profit of a mobile company. From the given information, X follows normal…

Q: se show all steps USING EXCEL ONLY F

A: to test the hypothesis

Q: ovide a written description of how s of performance. In your respons= bad" item. EXAMPLE: "This iten…

A: The Given figure is To provide a written description of how test the given items.

Q: find out the margin of error for   for given data  [ 4 decimal places ] s=25.35 xbar - 231 n=96…

A:

Q: If the pro habi, lita given by: function of random variable ir f Cx) = %3D Sechx 9. find the mean b.…

A: The probability function of random variable is given by : fx=1sec hx , 1≤x≤2 a) Here we have to find…

Q: Consider the following table: Among Treatments Error Total SS DF 5 9059.37 17 MS 1122.69 287.16 F TI…

A:

Q: A. Assuming n = 30, find the t scores that enclose: the middlemost 90% of the area under the curve…

A: To find t scores forA )The n=30 when,the middlemost 90% of the area under the curvethe middlemost…

Q: From the following data calculate the Standard Errors of the estimates : 2 4 6. 8 10 y: 12 16 14 12…

A: x y D = (x-y) (D-mean)2            2 12 -10 (-10+8)2= 4 4 16 -12 (-12+8)2= 16 6 14 -8…

Q: LET'S APPLY ACTIVITY 3.3 MATHSELFIE A. State whether the z-score locates the raw score X within a…

A: As per our guidelines we are suppose to answer only one questionA)1)Givenx=50sample standard…

Q: for f(4,25) = 4.35, p >.01, was the result statistically signifigant

A: Solution

Q: When computing the Z value to compare between two samples of two populations, o2 is a parameter of…

A: The Formula for z value is : z=Xˉ1−Xˉ2- (μ1-μ2)σ12n1+σ22n2

Q: Note different numbers of experiments were done on each machine. Calculate an (approximate 2 decimal…

A:

Q: Mean Absolute Deviation Variance Standard Deviation

A: It is given that Number of observations n = 8 We have to calculate the mean absolute deviation, SD…

Q: Use the following information to answer question. n=6, Σχ= 16, Σx2 = 72. The variance S2 is

A: Given, n=6 ∑x=16∑x2=72

Q: 133 The chair of the business department hypothesizes that the final grades in a statistics course…

A:

Q: The data in the table below consist of measurements y₁, y2, y3, and yn of the ramus bone at four…

A: The measurements of ramus bones at four different ages are taken for  boys.To find the mean,…

Q: Consider the stem-and-leaf plot below: Stem Leaf 59 4 5 6 7 8 9 0 38 2 568 0223 7 8 9 (n = 16, leaf…

A: 64.25 Explanation:The lower quartile, or first quartile (Q1), is the value under which 25% of data…

Q: . Find the product of approximate numbers x, = 2.35 and x, = 20.3546 all of whose digits are valid.…

A:

Q: Compute the SP for the following data.  Round your answer to the nearest 2 decimal places.…

A: Given information: The data is tabulated as: Subjects Miles Walked (x) # of Tacos Eaten (y)…

Q: Determine the value of y for x = 2 , given the following data:

A:

Q: = 1, 2, 3, and 4 respectively.) 1.6: 59.9 53.5 56.7 63.2 58.6 3.8: 55.6 59.6 52.6 54.5 6.0: 51.2…

A: We want find the value of F and p value.

Q: For numbers 5 to 7: A study was conducted to examine the effect of thermal pollution on the growth…

A: Here, we have both samples are independently distributed.

Q: Math Score(x) 4 7 10 13 16 Frequency(f) 4 <cf 2. 6. 3.

A: Less than cumulative frequency be the sum of all previous frequencies to the current frequency of…

Q: LFind the area of the following in percent (%). 1. z = 1.57 2. z = 2.81 3. From z = 1.0 to z= 3.02

A: Note: Please repost remaining questions and subparts as i can answer only 3 subparts of 1st question…

Q: Use the excel info and test the following claim. Use 2 decimal places for the data 1. Overbar x=…

A:

Q: For the relation Y= 12-4 X between X and Y; if standard deviation of X, a, =5 then, variance of Y…

A: Given information: Y=12-4X Here, the slope value is -4 and the intercept is 12. Moreover, the slope…

Q: 32. Compute the median weight of the rabbits from the following data: Serial Number: 1 2 3 4 Weight…

A:

Q: Assume that you want to test the claim that the paired smaple data come from a population for which…

A: Given: A paired sample data. The hypothesis that will be formed is: H0: d=0 H1: d≠0 where d=μ1-μ2…