A group of marketing students conducted a survey to compare the weekly sales of the two vendors of beauty products in a market. The results of the survey were as follows: Vendor B Vendor A Php 345 Php 450 Php 450 Php 760 Php 750 Php 980 Php 800 Php 658 Php 675 Php 455 Php 1,250 Php 968 Php 350 Php 925 Is there is a significant difference between the mean sales of the two vendors? Test the claim at 0.01 level of significance.

Q: State the two types of statistics and give two examples for each category

A: Given that  We have to describe two types of statistics and it's example

Q: The head of the production department of a RM electronic company wants to determine the relationship…

A: given data and obtained as,

Q: The difference between the observed y-value and the y-value predicted by the linear model is called…

A:

Q: est the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Ho:…

A: It is given that n=500 and x=430.

Q: (Because the number of horses varies from year to year, only the first 10 post positions are…

A: Given data

Q: A credit score is used by credit agencies (such as mortgage companies and banks) to assess the…

A: Given that ; u = 700.4 Sample mean = 716.2 n = 34  s = 81.1 Here we use one sample mean test to…

Q: It is considered that the mean working age of boys in a city is 21 years old. A survey of a random…

A: Givensample size(n)=40Mean(x)=18standard deviation(s)=3significance level(α)=0.05

Q: a population of 19,100 subjects, 59% possess a certain characteristic. In a sample of 320 subjects…

A: The number of subjects in the population is 19,100 and the percentage of the subjects possess a…

Q: A retailer believes that its new advertising strategy will increase sales. Previously, the mean…

A: Given that A retailer believes that its new advertising strategy will increase sales. Previously,…

Q: Consider the following regression estimates (FN6) Source SS df MS Number of obs = 526 64.11 F(3,…

A: Solution: The regression output is given.

Q: In a test of the effectiveness of garlic for lowering​ cholesterol, 42 subjects were treated with…

A:

Q: Classify the study as either descriptive or inferential. Explain your answer. Data from a sample of…

A: Solution: First we understand the concept of descriptive and inferential statistics.   Descriptive…

Q: According to a recent article about individuals who have credit cards, the mean number of cards per…

A: The number of observations n is 60.

Q: The data show the population (in thousands) for a recent year of a sample of cities in South…

A: From the provided information, Sample size (n) = 25 Arranging the data values into ascending order…

Q: Evaluate the given expression and express the result using the usual format for writing numbers…

A: we have to find out 60P2 so, we know that Prn=n!n-r!

Q: A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be…

A: Given : population mean = 100

Q: A simple random sample of 50 items resulted in a sample mean of 25.1. The population standard…

A: Formula : Margin of error: ME=Zα/2 * σ/√n

Q: representing the number of even number outcome

A: We know that the  If a person tosses one die then he or she may get  S={1,2,3,4,5,6} as a sample…

Q: Find f'(x). 6 f(x) = In x +4 In x f'(x) =

A:

Q: et the 2-dimensional random variables (X, Y) have joint uniform density function f(x,y) = ²,0≤x≤3,…

A:

Q: Is there a significant difference between the youth who favour lower legal drinking age from the…

A: Here From given information Claim : 40% of the youth in a city are favor of lower legal drinking age…

Q: In a particular city, taxicabs charge passengers $3.10 for entering a cab and then $0.40 for each…

A: Sol

Q: Suppose the cumulative distribution function of the random variable X is 0, x -1.5) = c) P(X <- 2)…

A:

Q: By rewriting the formula for the multiplication rule, you can write a formula for finding…

A: Given The probability that an airplane flight departs on time is 0.91. The probability that a flight…

Q: The t value for a 95% confidence interval with 24 degrees of freedom is Select one: O 1.711 O 2.492…

A: Givencoonfidence level=95%Degrees of freedom(df)=24

Q: following bar graph shows the distribution of pennies, kels, dimes, and quarters in a piggy bank.…

A: Given:  The graph is as below

Q: Identify the sample space of the probability experiment and determine the number of outcomes in the…

A: The experiment is randomly choosing a number from the odd numbers between 20 and 30.

Q: A genetic experiment involving peas yielded one sample of offspring consisting of 444 green peas and…

A:

Q: Healthy adults pulse rate are normally distributed with a mean OP, 79 Bears and a Standard deviation…

A: Given that  Healthy adults pulse rate is normally distributed with  Mean (μ) = 79 beats / Minute…

Q: CLASS ACTIVITY & REFLECTION (10%) 1. A repeated-measures has been conducted to identify the effect…

A: Participants Before After A 44 48 B 32 40 C 43 45 D 33 35 E 29 40 F 30 36 G 42 42 H…

Q: A humanities professor is interesting in learning whether there is a positive association between…

A:

Q: Determine the range, mean, and standard deviation of the data set. 9,5,9,17,17,16,3,8

A:

Q: A survey of all medium- and large-sized corporations showed that 63% of them offer retirement plans…

A: It is given that p=0.63 and n=30.

Q: The histogram to the right represents the weights (in pounds) of members of a certain high-school…

A: We have to find clas width and upper limit from above histogram.  Farmula used  Class width=upper…

Q: The UWI Open Campus has commissioned a study to determine how student will perform in ECON3080 based…

A: The UWI Open Campus has commissioned a study to determine how student will perform in ECON3080 based…

Q: Q2: if the relation between q and C take the form: q=kC^n and assume linear regression, the…

A: Given: q=kCn C q  82.5 337.7 46.2 207.6 26.2 123.8 17.7 88.2 13.4 68.3 6.8 35.8

Q: Suppose that the number of asbestos particles in a sample of 1 squared centimeter of dust is a…

A: Solution Given That , Suppose that the number of asbestos particles in a sample of 1 squared…

Q: Aparticular strand of DNA was classified into one of three genotipes E4E4E4E4and E44. In addition to…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Number of Jobs A sociologist found that in a sample of 49 retired men, the average number of jobs…

A: Given : Sample Size , n= 49 Sample Mean , x̄ =6.8 population standard deviation ,…

Q: 1. (a) With the aid of examples, discuss any three reasons why scholars like you undertake…

A: Given: The data is given. Sample size (n)=12

Q: A brokerage survey reports that 31% of all individual investors have used a discount broker (one…

A: Given Data : sample size,n= 120 probability of success,p= 0.31

Q: Assume 2 is a random variable with a standard normal distribution and a is a positive number. If P(Z…

A: It is given that P(Z&gt;a)=0.1.

Q: The range is (Simplify your answer.) The mean is (Simplify your answer. Round to the nearest tenth…

A: According to our guidelines, we can answer only three sub-parts. So, please repost the rest parts.

Q: Evaluate the given expression and express the result using the usual format for writing numbers…

A: Combination formula : nCr = n! /(n-r)! r!

Q: represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1…

A: here given ,  result from group of 10 BIRTHS from 10 different sets of parents  x = number of girls…

Q: To test Ho: o=2.4 versus H₁: o>2.4, a random sample of size n = 16 is obtained from a population…

A: Given data : sample size, n = 16 population standard deviation,σ= 2.4 sample…

Q: Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with…

A: The mean and standard deviation are 190 and 21, respectively.

Q: r multiple months. For this estimation, you can write down the error term of the econometric model…

A: The variables are : 1 Independent variable Rainfall 2 Dependent variable Number of car…

Q: A random variable x is distributed normally with mean 75 and standard deviation 16. What is the…

A:

Q: article by a researcher reported on a long-term study of the effects of hurricanes on tropical…

A: Solution