Calculate the sample mean and sample standard deviation by using Minitab. To investigate on the number of accidents per week in a location we selected a sample of size 10 weeks and the number of accidents per week are counted and reported below. Data:3 4 5 0 1 0 2 3 1 1 a) Use formula and calculate a 99% confidence interval for the mean of the number of accidents per week in this location. b) What is the meaning of 99% confidence? c) List the conditions required for this confidence interval to be valid.

Q: The temperature measured on the top of Big Bear Mountain at 10:00am on 12 consecutive days is as…

A: 1)Given Data and calculation for variance is shown below

Q: (7) The commuting distance(in miles) for 12 students is listed below. 11.5, 21.9, 12.7, 9.0, 19.2,…

A: 7)Given data is11.5, 21.9, 12.7, 9.0, 19.2, 18.5, 19.3, 1.9, 19.2, 0.8, 28.8, 17.7

Q: Range anxiety is one of the reasons consumers are reluctant to switch to an electric vehicle, and…

A: Given information: x 89 90 91.5 92 92.5 95 95.5 96 93 93.5 94 94 91…

Q: Waist size A study measured the Waist Size of 250men, finding a mean of 36.33 inches and a…

A: (a) A survey was conducted about the waist sizes of men. In this study, the waist sizes of 250 men…

Q: A researcher collects data from two dependent samples. If the dependent variable is assessed using…

A: If it is possible to identify the individuals in one sample from those in the second sample, then…

Q: Available below are amounts of arsenic in samples of brown rice from three different regions. The…

A: State the hypotheses.

Q: Data for (3) A random sample of 100 statisticians were asked, "To what extent do you feel the…

A: Solution To draw the distribution pie chart is appropriate because the sample size is large and the…

Q: Use any method to calculate the sample mean, median, and standard deviation of the following sample…

A: The objective is to find the sample mean, median and standard deviation of the given sample of…

Q: A sampling distribution of means for samples of students taking the SAT exam has a population mean…

A: It is given that the sampling distribution has a population mean 500 and standard error 200.

Q: Please also explain why you determined whether or not the results are statistically significant.…

A: Given information isn1=40n2=40s1=0.50

Q: Available below are amounts of arsenic in samples of brown rice from three different regions. The…

A: Solution Given data A 4.7 4.7 4.8 4.8 5.3 5.3 5.5 5.7 5.7 5.9 5.9 6.4…

Q: A) For the data in Table 1 below, how many standard deviations from the mean is a run length of 20…

A: The given data table is Female hamsters Run lengths Male hamsters Run lengths 1 2 1 3 2 6 2 4…

Q: The NCAA is interested in estimating the difference in mean number of daily training hours for men…

A:

Q: Find the standard error,  t statics Sample variance = .67 Sample size = 30 Population  size = 60…

A: Given information- Sample variance, s2 = .67 So, sample standard deviation, s = 0.819 Sample size, n…

Q: A person is interested in studying the amount of time (in minutes) people spend on social media in…

A: Given, A person is interested in studying the amount of time (in minutes) people spend on social…

Q: Consider the following sample data Sample A: 10, 17, 24 Sample B: 68, 75, 82 Sample C: 1,035, 1,042,…

A: given that Sample A 10, 17, 24 Sample B 68, 75, 82 Sample C 1035, 1042, 1049

Q: A boutique fitness studio would like to test whether their program is effective at weight loss. They…

A:

Q: A study examined the link between sodium intake and blood pressure in children and adolescents…

A: Given information, H0:μ>112.8 The null hypothesis can be defined in words in the following way:…

Q: Listed below are systolic blood pressure measurements​ (mm Hg) taken from the right and left arms of…

A:

Q: the claim is that for a smartphone carriers data speeds at airports, the mean is 14.00Mbps. the…

A:

Q: We are going to calculate the standard deviation for the following set of sample data. 7,2,11,15,2…

A: 1) The observations are 7, 2, 11, 15, and 2.

Q: developmental psychologist is interested in studying how long babies gaze at a photograph of a human…

A: Given data, 12, 15, 16, 20, 20, 27 Sort the data in ascending order. 12,15,16,20,20,27

Q: Click the icon to view the data. Which box-and-whisker plot below represents the data? Length of…

A: The data table containing the length of life of 50 fruit flies provided in the question is as…

Q: Find the p-value. (Type an integer or decimal rounded to three decimal places as needed.)

A: The test statistic is, t=x¯-μsn=37.9-38215=-0.1936≈-0.19 The test statistic is -0.19. The degrees of…

Q: A population has a mean of 50, SD of 30. We have a sample with a mean of -10, sample size is 9. Does…

A: Denote μ as the population mean.

Q: The time married men with children spend on child care averages  6.9 hours per week. You belong to a…

A: From the provided information,The time married men with children spend on child care averages  6.9…

Q: What is the source of variability in the random variable? O A. Random errors OB. The sample size C.…

A:

Q: According to previous studies, the mean distance each visitor in Greenspan National Park hikes…

A: GivenMean(x)=27.6standard deviation(σ)=9.9sample size(n)=46significance level(α)=0.10

Q: Arsenic Amounts (micrograms)                             A 4.9 4.9 4.9 5.2 5.3 5.5 5.6…

A: Given :   A B C   4.9 2.3 5.7   4.9 3.6 5.7   4.9 4.5 6.7   5.2 4.6 6.9   5.3 4.8 7.1…

Q: The NCAA is interested in estimating the difference in mean number of daily training hours for men…

A: Solution: Given information: n1=10  Sample size of men n2= 10 Sample size of women x1= 2.7 hours…

Q: Provide an appropriate response. Determine the sample size required to estimate the mean score on a…

A: Solution: From the given information, confidence level is 0.90, S=15 and E=4.

Q: A researcher collected data on the palate length of 50 individual shrews of the same species.. She…

A: In this question, a researcher has collected data on the palate length of 50 individual shrews of…

Q: do online students perform differently than students in a traditional classroom? Las semester there…

A: From the provided information, The claim is that there is a difference in the average exam scores…

Q: You interview 100 college sophomores , and you ask how much they earned the previous summer. You…

A: We have given that the 100 sophomores. Here we need to use the median to describe the centre of the…

Q: Available below are amounts of arsenic in samples of brown rice from three different regions. The…

A: State the hypotheses.

Q: The governor of Florida would like to estimate the mean age of all Florida residents. To do so, he…

A: The population is the set of all subjects of interest.

Q: Consider the following two datasets: Dataset 1                       Dataset 2 1      9…

A: