M1= 37 SS1=360 n1=11 M2= 43 SS2=576 n2=10 Assume two failed test and alpha= .05 What is the t value?

Q: Find each of the requested values for a population with a mean of µ 40, and a standard deviation of…

A: Given, μ=40σ=8 A. The required z-score corresponding to x=52 is obtained as- z=x-μσ=52-408=128=1.5…

Q: #3. A member of the Santa Cruz, California business community wants to know if local employees take…

A: T test is used to measure the mean significant relationship between the sample and population. It is…

Q: 4. 3,539 participants attended the seventh examination of the Offspring in the Fram- ingham Heart…

A: The random variable systolic blood pressure is normally distributed. There are two samples which are…

Q: A health clinic states that there is an average loss of 18 pounds for patients who stay on a…

A: GivenMean(x)=15.2standard deviation(s)=4sample size(n)=28α=0.05

Q: What happens when p value for t test is lower than alpha i.e. what do you conclude?

A: P-value or probability value: P-value or probability value method involves the probability of…

Q: 37. Which of the following formulas is used to calculate the population standard deviation? (х — и)2…

A: In this question the sample values are given, Xi: 51,89,129,215,297. And given the given data…

Q: A sample of 52 obsorvation is drawn from a population with standard deviation 60. Find C so that the…

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

Q: For a certain process, the mean was shifted by 1.5 sigma from the target. What is the number of the…

A: Given Information: The mean was shifted by 1.5 sigma. A 4 sigma process produced 6000000 units.

Q: Calculate the true standard error. Your parameters are µ=18.6; ?? = 4.50; N=7. What does this value…

A: We have given that.   X~N( μ , ?^2 )   μ =18.6 , ? =4.50   , N=7

Q: For the data shown above, find the following. Round answer in the first blank to 3 decimal place(s).…

A: X is a discrete random variable, then some measures like mean ,median ,mode in central tendency and…

Q: Define the term of Experimental Error ?

A:

Q: person’s actual score on the test

A: Let on a standardized test of depression the μ=100 and σ=20. if an individual has a z score=-0.25 we…

Q: 1. The average weight of sugar in a medium-size bag is stated to be less than 10 kilograms. The…

A: Given that  The population mean =10 kilograms Let X denotes the amount of sugar that the packing…

Q: A normal population has mean  =μ22  and standard deviation  =σ16 . Find the values that separate…

A: The given values are:Mean (μ) = 22Standard deviation (σ) = 16

Q: Fifteen different video games showing alcohol use were observed. The duration times of alcohol use…

A: Degrees of freedom: df denotes the sample size minus 1. That is, df=n-1

Q: 37. Which of the following formulas is used to calculate the population standard deviation? A. o =…

A: Given that  We want to tell formula of population standard deviation  Note: According to bartleby…

Q: Given r= 0.5 Ery = 90 variance of y = 36, Er= 100, then find N.

A:

Q: A population has mean  =μ19  and standard deviation  =σ5 . Find  μx  and  σx  for samples of…

A:

Q: mean 129.747 and standard deviation 0.87643 Determine the sample size required that will have an 80%…

A:

Q: A population has mean  =μ17  and standard deviation  =σ18 . Find  μx  and  σx  for samples…

A: The given values in the problem are:Population mean (μ) = 17Population standard deviation (σ) =…

Q: Instruction. Solve the following (Complete the tables) The IQ of 8 grade one students is given…

A: The required calculation can be defined by the formula, Population mean: μ=1n∑i=1nxi   Population…

Q: a, calculate p-value b. write conclusion C. compare p-value to alpha 4. d. calculate test statistic…

A: Step 1 - Identify test type and relevant statistic Step 2- write claim symbolically Step 3- write…

Q: A population of scores has µ=250, In this population, a score of X=300 corresponds to Z=+2.50. What…

A:

Q: My project question is: Did the mental health decline after COVID? Score 1 is the avg mental health…

A: In order to test the claim that the mental health decline after COVID, determine whether the mean…

Q: A sample of n = 81 from a population of u = 80 and o = 18 has a mean M = 81. What is the z-score for…

A: Solution-: Given: n=81,μ=80,σ=18,M=18 We find the z-score for the sample means?

Q: Given the supplied information, interpret the results. Be sure to (1) tell what was done, (2)…

A: Give that, A statistics professor has compared the systolic blood pressure of her class (N = 24) (M…

Q: A population of N=5 scores has sigma X squared = 100. For this population what is the value of SS

A: If SS represents the sum of squares, then we know that  SS= N×Variance     = 5 ×100=500

Q: H0:μ=5.3H0:μ=5.3 H1:μ≠5.3H1:μ≠5.3 Your sample consists of 43 subjects, with a mean of 5.6 and a…

A:

Q: Use technology to solve the following problem: A normal population has a meanȝ=27 and standard…

A: Followings are the Explanation of the question    Followings are the steps to calculate the…

Q: Juan wants to estimate a population mean age of residents of a retirement community. Based on…

A: Obtain the sample size needed. The sample size needed is obtained below as follows : Obtain the…

Q: a.) Step 1: State the Hypotheses H₂: H₁: b.) Step 2: Determine the critical region and draw it on…

A:

Q: H0:μ=42.09 H1:μ>42.09 Your sample consists of 47 subjects, with a mean of 43.6 and standard…

A: The null and alternative hypotheses are: H0: μ = 42.09. H1: μ > 42.09.

Q: In a survey conducted with 1000 individuals (350 of whom were aged 20 or under, and 650 over age…

A: Survey results:Age/preferenceUnhealthyNutritiousAges <=20225125Ages>20350300

Q: The mass of a sample of juvenile lionfish was determined. Using the calculated values provided…

A: Hypotheses: H0:μ=82.5H1:μ≠82.5 This is a two-tailed test as the direction of alternative hypothesis…

Q: A normal population has mean  =μ53  and standard deviation  =σ14 . Find the values that separate…

A: The given values are:Mean (μ) = 53Standard deviation (σ) = 14

Q: A sample of n 36 from a population of µ = 50 and o = 18 has a mean M = 47. What is the om for the…

A:

Q: H0:μ=16 H1:μ<16 Your sample consists of 42 subjects, with a mean of 14.6 and standard deviation of…

A: It is given that:

Q: if sigma=10.6 bpm bassed on the value s=10.6 bpm from the sample of 180 male pulse rates whats n=

A:

Q: A normal population has mean  =μ22  and standard deviation  =σ16 . Find the values that separate…

A: The given values are:Mean (μ) = 22Standard deviation (σ) = 16

Q: Suppose you found a z-statistic of 1.69.   If the alternative hypothesis is ?>5μ>5 , what would be…

A: Given,   Test Statistic: z = 1.69   The objective is to find the p-value at the different…

Q: I need help with t= and the p-value

A: The data shows the prices of a sample of books at University A and B were obtained by two statistics…

Q: There are 10,000 experiments, the average p-value is 0.0385 and the sd is 0.0125. The null was true…

A: From the given information, There are 10,000 experiments, the average p value is 0.0385 and the sd…

Q: We take a random sample of 16 scores from a Math Exam and the sample mean is 80 (the population…

A: Sample mean =80.Sample standard deviation, s =15.The sample size, n is 16.

Q: A sample of n 16 scores is obtained from a population with u= 50 and o= 16. If the sample mean is M…

A:

Q: In this scenario, what is the test statistic? An orthopedic surgeon would like to test the…

A: Formula to find test statistic when population standard deviation (σ)known : z0 = x¯ - μσn Where ,…

Q: 4. A survey shows 47% of movie goers are males. A test is conducted to see if the proportion is…

A: Solution : Null Hypothesis : The hypothesis to be tested is is called as null hypothesis. Generally…