amount of sleep in hours he gets each night. The last 30 nights are recorded below. 7.51 6.8 7.8 6.3 8.6 9.1 7.1 8.0 7.6 7.1 9.1 8.0 7.5 7.4 7.5 8.1 8.6 8.7 6.8 7.4 7.7 8.5 5.8 7.7 7.3 7.7 7.4 11.5 7.1 7.4 x a. Find the mean median and quartiles of the data set. Q1= 7.3 x = 7.77 Q3 = 8,1 med = 7.55 b. Calculate the acceptable range of values within the data set. If any values are outside of this range identify them as outliers.

Q: Which of the following is NOT a condition for inference when applying a 1 proportion z-test pa 5…

A: Here we have to identify which of the following is not a correct option for applying a 1 proportion…

Q: Assume that adults were randomly selected for a poll. They were asked if they​ "favor or oppose…

A:

Q: A normal distribution has a mean of 76 and a standard deviation of Determine the z-score for the…

A: Solution

Q: 1. Find the range of the following: c.) 3.2, 2.8, 6.1, 0.4 d.) -14, +15, -15, 0, +12. -16, +11

A: Solution-: We want to find range of the following: (c) 3.2,2.8,6.1,0.4 (d) -14,15,-15,0,12,-16,11

Q: 7. Freight car loadings over a 12-year period at a busy port are as follows: Week Number Week Number…

A: Given data: Sample size n = 18 Week is independent variable. Number is dependent variable. Formula…

Q: Sales for the past 6 months at Dalworth Company are given in the following table: Month Sales July…

A: Mean absolute deviation for forecast: here, we have to find out the mean absolute…

Q: A company produces packets of soap powder labeled "Giant Size 32 Ounces." The actual weight of soap…

A: 1... A company produces packets of soap powder labeled "Giant Size 32 Ounces." The actual weight…

Q: 4. We have the temperatures in several cities of Spain: Aviles (11°C), Barcelona (17°C), Madrid…

A: The given data is 11,17,21,18,18,19,20

Q: Using the standard Normal distribution tables, what is the area under the standard Normal curve…

A: According our policy we can answer only first question for remaining please repost the question.

Q: side effects and 82% did not have side effects. A study was run on 325 children to see if the…

A:

Q: "A manufacturer of shampoo claims that 27% of the shampoo users prefer brand X. To test this claim,…

A: Given : n = 53 X = 8

Q: 11.) A 2010 newspaper article reported that the national average for calorie consumption of…

A: Given,sample size(n)=1200sample mean(x¯)=2650population standard deviation(σ)=120α=0.05

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by fX,Y (x, y) = x + y/21…

A: Solution

Q: Calculate the Cramer's V and interpret the result.

A: Cramer's V is used to measure strength of association between two  nominal variables. which is a…

Q: 2. According to the National Association of Home B home in the Northeast is $ 117.91 per square…

A: A random sample of 36 new homes with mean 122.57 and standard deviation 20 ; n=36…

Q: Which of the following is not one of the assumptions of the t-test for independent samples? The…

A: Given that  Based on the given data

Q: Please state if the answer istrue or false. Thank you Two events, A and B, are independent if P(A…

A: Given statement is,  Two events, A and B, are independent if P(A and B) = P(A) × P(B)

Q: Suppose we examined medical records of 500 individuals admitted to the hospital, and we…

A: According to aur policy we can answer only first three part for remaining please repost the…

Q: Use the following information to answer the next five exercises. A doctor wants to know if a blood…

A: The question is based on a hypo. testing of a paired data set Given :

Q: b) Given the following data: Month Sales Month Sales January February March April May June 25.0 31.0…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: A student takes a multiple-choice test that has 8 questions. Each question has four choices. The…

A:

Q: What is the SAMPLE standard deviation?  a. 3.12 b. 3.00 c. 2.12 d. 2.92

A: Calculation:

Q: In a poll about work, 68% of respondents said that their jobs were sometimes or always stressful.…

A:

Q: For two random variables, X and Y, the inequality |O xy | sop O, is true.

A:

Q: In a specific area, this period of time, it is believed that the number of thunderbolts that are…

A: Pmf of poisson has used.

Q: We want to assess three new medicines (FluGone, SneezAb, and Fevir) for the flu. Which of the…

A: Disclaimer: Since you have asked multiple questions, we will solve the first question for you. If…

Q: During a barangay census, the following information was acquired. 15 children out of 23 are…

A: Given that  During a barangay census, the following information was acquired.   15 children out of…

Q: 1. Find the range of the following: c.) 3.2, 2.8, 6.1, 0.4 d.) -14, +15, -15, 0, +12, -16, +11

A: Answer - Find the range of the following: (c)   3.2, 2.8, 6.1, 0.4 (d)  -14, +15, -15, 0, +12, -16,…

Q: Consider a drug testing company that provides a test for marijuana usage. Among 251 tested​…

A:

Q: A significant test gives a P-value of 0.04. Which of the following may we conclude? reject the null…

A:

Q: The data below is 13 observations of Math SAT scores (x) and scores on Math placement test (y).…

A:

Q: Find the value of the test statistic.  Round to 3 decimal places. Claim:  The proportion of…

A: Given that  Claim :  The proportion of Americans with relatives in a different state is 42%…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone…

A:

Q: 5. The following data shows the time, in minutes, taken for 12 contestants to complete a task on a…

A:

Q: When making random guesses on an 6 question quiz the probability of guessing correctly on any one…

A:

Q: SAT math scores are normally distributed with the parameters below. μ=500σ=100 What is the…

A: Given distribution is normally distributed with mean=500 and standard deviation=100 Let, X: SAT math…

Q: Joseph and Diana scored 32 and 23, respectively, in the entrance examination for Senior High School.…

A: We have to calculate, Percentile, quartile and decial for mentioned table, We have to calculate…

Q: A survey of 10 students was conducted to investigate the amount of time they spend on social media…

A: ''Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. State the following: (a) Determine the value of a if the confidence interval is 99% required. (b)…

A: according to our policy we can answer only first three part for remaining please repost the…

Q: Find the critical value for a significance level of 5%

A: We have given that The null and alternative hypotheses are: H0: µ = 25 H1: µ < 25 The test…

Q: (d) Can you think of other variables that might explain the variation in monthly rent?

A: Given: Size (square feet) Rent ($) 850 1950 1450 2600 1085 2200 1232…

Q: FIND A 90% CONFIDENCE INTERVAL FOR THE DIFFERENCE IN POPULUTION PROPORTIONS Pf -Pm  round your…

A: Given:  n1=100, n2=50, p1^=0.24, p2^=0.43 We find the 90% C.I. for the difference in population…

Q: June has a coupon for a 30% discount. The price of a sweater after the coupon is applied is $65.8.…

A:

Q: Write your answer on the threaded reply below. Feel free to message me if you need assistance on how…

A: Given that The following table shows the approximate number of wireless telephone subscriptions in…

Q: For the following classified data, draw the frequency histogram, frequency polygon and the…

A: Introduction: The frequency histogram:  The frequency histogram is the graphical tool which is used…

Q: Since the z-score in freestyle is [ Select ] O than the z- score in backstroke, his time in…

A:

Q: equations and hence find most plausible values of x and y from the following equations : x+y=3.01,…

A:

Q: Angela and Carissa began arguing about who did better on their tests, but they couldn't decide who…

A:

Q: Suppose you run research about the relationship between the frequency of smoking and hours of sleep.…

A: Given: r=-0.63

Q: In a survey, the median household income in a country was found to be £27000, and the mean household…

A: Mean is mathematical average while Median is positional Average.