Is the variance for the amount of money, in dollars, that shoppers spend on Saturdays at the mall the same as the variance for the amount of money that shoppers spend on Sundays at the mall? Suppose that the Table 13.34 shows the results of a study. Saturday Sunday Saturday Sunday 75 44 62 137 18 58 0 82 150 61 124 39 94 19 50 127 62 99 31 141 73 60 118 73   89       What is the null hypothesis? What is the alternative hypothesis? What is the df (numerator)? What is the df (denominator)? What is the f statistic? What is the result? What is the p-value? Decision/conclusion?

Q: Please provide the corrects answers, everything above is wrong. please reprovide it asap!

A: The hypothesized proportion is 0.50. The null and alternative hypotheses are: H0: p≤0.50 Ha:…

Q: What are the test statistic for the following conditions? n = 210, x = 150, p = 0.65 Round p to…

A: Solution-: Given: n=210,x=150, p=0.65 We want to find the test statistic=?

Q: The following data were collected from a Repeated-Measures study. Perform an ANOVA. Use…

A: Given that, GOTO EXCEL DATA---->DATA ANALYSIS DATA ANALYSIS---->One way ANOVA factor Give the…

Q: Use the variable metacritic (the metacritic critic score) from data-frame fandango (need to obtain…

A: A standard normal distribution is a symmetrical distribution with mean 0 and standard deviation 1.…

Q: As an aid for improving students’ study habits, nine students were randomly selected to attend a…

A: From the provided information, The difference between data values are as follow: d = After -…

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

A: Answer:- Given information,  Hypotheses are, H0 : p=0.72 versus H1 : p≠0.72 n = 500 , x = 350 and α…

Q: Julio is investigating how long his phone's battery lasts (in hours) for various brightness levels…

A: Here dependent variable (y) = Brightness level Independent variable (x) = Hours  Sample size (n) = 8

Q: Based on USDA suggestion, a U.S. adult should be spending anywhere from $165 to $345 per month on…

A: a) Suppose µ is the population mean amount of money adults spend each month on food.

Q: If you reject the null hypothesis at the 5% significance level, would you reject it at the 7% level?…

A: From the provided information, The null hypotheses is reject at 5% level of significance.

Q: A "big-box" store sells a particular laptop, but has only four in stock. The manager wonders what…

A:

Q: (b) Let n 1 - n ² ₁ Σ(x₁ - x) ². = i=1 Determine Var(s), that is, the variance of the sample…

A: Random variable X1,X2 .... Xn are independent follow normal distribution ~N(μ, σ2) b): Given…

Q: Use the Empirical Rule to determine your answer. A small computing center has found that the number…

A: 1) Population mean μ =75 Population standard deviation =8 NOTE:- According to bartleby guidelines…

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A: Answer  Mean =1000 standard deviation =105

Q: score for 15 students is 81.1 with a standard deviation of 7.4. Test the professor's claim at the…

A: Let μ1 and μ2 be the two exam scores in class A, and class B. Given that, For class…

Q: Select all of the statements that are axioms of probability. The probability of any event is between…

A: The axioms of probability are fundamental principles that define the behavior and properties of…

Q: Find the margin of error. 95% confidence interval; n = 21; = = 0.37; s = 0.37 - X 0.180 0.168 0.144…

A: Answer:- Given, Confidence level = 95% = 0.95  So, Level of significance, α = (1-0.95) = 0.05 Sample…

Q: only 30% of the time. A worker was taught the skill by one of the methods but failed to learn…

A: Two methods, A and B are available for teaching a certain industrial skill. The failure rate is 20%…

Q: 130 adults with gum disease were asked the number of times per week they used to floss before their…

A: In a frequency distribution, the cumulative frequency for the corresponding class is obtained by…

Q: Consumer choice of ovens could be either gas or an electric oven. Consider the decisions made by six…

A: In the realm of kitchen appliances, one crucial decision faced by consumers is the choice between…

Q: The table below shows the number of Central High School students who passed AP Calculus AB Exam. Has…

A: given Score Year 1 Year 2 Year 3 5 18 15 11 4 13 12 11 3 12 14 13

Q: Nina would like to estimate the difference in the mean amount of time students spend on math…

A: From the provided statement, it is interpreted that 30 students from each school are randomly…

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: As per our guidelines we are suppose to answer only one question kindly post the remaining question…

Q: 4). Given that the population mean µ = 68 and population standard deviation o=12, for a random…

A: Q-4)μ = 68σ = 12n = 36P(x¯>70) = ? Q-5)no. of ways to select president and vice president be…

Q: True or False: A covariance coefficient is a symmetrical measure of association.

A: In the realm of statistics, measures of association play a crucial role in quantifying the…

Q: . The degrees of freedom for the t distribution are Select one: a. 20 b. 22 c. 21 d. 19

A: Given that,   Sample 1 Sample 2 Sample mean 45 42 Sample variance 85 90 Sample size 10 12…

Q: Let Y represent the profit (or loss) for a certain company X years after 1975. Based on the data…

A: From the provided information, The linear model Y = 0.39X + 6.92

Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to…

A: standadard normal distribution Z~N(0,1)we have to find c value such that P(-c≤Z≤c)=0.90

Q: The data below shows the scores a sample of husbands and their wives received when given a happiness…

A: Consider the preliminary calculations given below:

Q: In a sample of 1200 U.S. adults, 204 think that most celebrities are good role models. Two U.S.…

A: From the provided information, In a sample of 1200 US adults, 204 think that most celebrities are…

Q: State the regression equation y=mx+b, with constants accurate to two decimal places. What is the…

A: here given ,  x = hours /week y = grade

Q: 6. Consider a double-period security market consisting of a bank account with interest rate y = 0.2…

A: In the given problem, we are dealing with a double-period security market. The market consists of a…

Q: A sample of 150 married women determined that 127 are happy in their marriage. A sample of 150…

A: That is, there is no evidence to conclude that the percent of women married who are happy in their…

Q: Provide an appropriate response. A survey claims that 9 out of 10 doctors (i.e., 90%) recommend…

A: Test statistic z = -1.95

Q: ek. A 99% confidence interval for the difference in the population means, without music – with…

A: 99% confidence interval for the difference in the population means without music – with music is…

Q: Which of the following statements regarding standard deviation is FALSE? Standard deviation is the…

A: Which of the following statements regarding standard deviation is FALSE? Standard deviation is the…

Q: Find the margin of error for the given values of c, o, and n. c = 0.90, o = 2.9, n = 81 Click the…

A: From the provided information, c = 0.90, σ = 2.9, n = 81

Q: 2). If a random variable X has a normal distribution with mean u = 60 and standa P(55 < X < 66) - A)…

A: Q-2)normal distributionμ = 60σ = 6P(55&lt;x&lt;66) = ?Q-3)μ = 69σ = 12n = 36μx¯ ?σx¯ = ?

Q: Here is a data set: 214 217 219 223 238 241 245 228 247 250 253 253 254 256 259 262 263 265 266 269…

A:

Q: Based picture, explain respondent's profile. b. Based picture, explain descriptive analysis for…

A: In the given situation, There are four variables. Product Quality Product Price Product Promotion…

Q: How is the interpretation sentence for a prediction interval for a single specific unit or subject…

A: In statistical analysis, confidence intervals and prediction intervals play crucial roles in…

Q: In a production line for 10 kHz oscillators, the output frequency of each oscillator a random…

A:

Q: Find 24th percentile, P24, from the following data 130 140 160 190 200 210 230 300 310 410 440 450…

A: Answer:- Given the following data                130, 140, 160, 190, 200, 210, 230, 300, 310, 410,…

Q: 6). If X is a binomial random variable with n=6 and p=0.4, the probability P(X21) is A) 0.2333 B)…

A: Q-6)binomial distributionn = 6p = 0.4P(x≥1) = ? Q-7)binomial distributionn = 9p = 0.4standard…

Q: Use the frequency distribution shown below to construct an expanded frequency distribution.

A: Here given frequency distribution of grouped data.

Q: 1. A librarian from the University of Nairobi observed that there is a significance differences in…

A: Main Kikuyu kenya science 9 10 15 7 9 11 3 11 12 6 10 9 5 7 10 8 6     8

Q: List the descriptive statistics that can be computed to help answer the health question on how…

A: Descriptive statistics is used to obtain the summary statistics of the data, which gives the brief…

Q: archaeology club has 20 members. How many different ways can the club select A. 116,280 B. 465,120…

A: The total number of members=20 The selected number of members=4 Here we have to use formula for…

Q: The t-value of t = fall between -to.95 and to.95 because to.95

A: given that n = 13  sample mean =  1195 sample standard deviation = 169.3  population mean = 1016

Q: Find the margin of error for the given values of c, o, and n. c=0.95, o = 2.2, n = 64 Click the icon…

A: 0.95 confidence level.  Population standard deviation =2.2 Sample size n =64

Q: Random Variable X counts the number of students who passed a test in a class of 50 students Match…

A: 1. p = 122. q = 123. n = 50