prose bell Shaped elistribution with a mean. OF 105 and a standard deviation OF 17 using the empirical Rute what percentage of 1Q Scores are between 71 and 139

Q: Use z-scores to compare the preformance of a student on two midterms: the first, with a mean of 78…

A: Given Information: The performance of a student on two midterms: First: Mean = 78, standard…

Q: Can I get the ans.

A: This is a t-distribution since the population standard deviation is not known. a. The sample mean…

Q: The mean ACT composite score of students is 22 with a standard deviation of 3.75. Assume the act…

A: given dataassume normal distributionx¯ = 22s = 3.75friend's score  x = 30z score = ?

Q: The average high temperatures in January for New York City, between 1986 and 1998, are recorded in…

A: Introduction: Sample Standard deviation:  The population standard deviation measures Variability…

Q: The drive distance (in yards) for professional golfers is normally distributed with a mean of 282.63…

A: The normal distribution: A continuous random variable X is said to follow normal distribution with…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Where,

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

Q: 4. Describe the table below: Group Statistics Std. Std. Error |Sex Sleephours/ Male weeknights…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: P18 is representing 18th quantile.

Q: The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and…

A: GivenMean(μ)=16standard deviation(σ)=5.5sample size(n)=7

Q: The accompanying data set available below represents the length of life, in seconds, of 50 fruit…

A: The given data is  5, 5, 5, 6, 6, 7, 8, 8, 8, 8, 8, 9, 10, 11, 11, 12, 12, 12, 12, 13, 14, 14, 14,…

Q: What is the Z-score o the 97 with standard deviation of 11.811 and a mean of 80.2?

A: What is the Z-score o the 97 with standard deviation of 11.811 and a mean of 80.2?…

Q: Which of the following is not a measure of dispersion in a set of data? O standard deviation O…

A: Remark:  A measure of dispersion for a data set helps us to know about the spread of the data set.

Q: Which of the following values cannot be probabilities? 1, 1.52, 3/5, 2,0, -0.45, 0.02, 5/3 Select…

A: Bartleby policy: Since you have asked multiple question, we will solve the first question for you.…

Q: Consider a sample with a mean of 500 and a standard deviation of 100. What are the z-scores for the…

A:

Q: Women's heights are normally distributed with a mean of 63.7 inches and a standard deviation of 2.9…

A: Let X be the height of the women X is normally distributed with mean μ = 63.7 inches and standard…

Q: standard deviation using the data in the table. No 1 2 3 4 5 6 Number of points 94 95 100 103 92 82

A: Given : No 1 2 3 4 5 6Number of points 94 95 100 103 92 82

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: A pull-up test was administered to a 10th grade PE class.  The mean for the class was 11 pull-ups…

A: Given: mean = 11 SD = 1.8

Q: the standard deviation of the data in following distribution: 12 13 14 32 15 21 16 15 17 8 13 20

A:

Q: on an intelligence quotient test with a mean score of 100 and a standard variation of 15, patrick…

A: Given: The value of mean is, μ=100. The value of standard deviation is, σ=15. The value of score…

Q: A group of adult males has foot lengths with a mean of 27.94 cm and a standard deviation of 1.27 cm.…

A: From the provided information,

Q: mean length of 25 cm. Because of the variability in the manufacturing​ process, the lengths of the…

A: Population mean μ =25 Population standard deviation =0.08

Q: The heights of the peach trees in an orchard are normally distributed with a mean of 12.5 feet and a…

A:

Q: Mechanical pencil lead is manufactured with a mean width of 0.9 mm. Because of variability in the…

A:

Q: The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and…

A: It is given that, Mean,μ =15 ounces Standard deviation, σ=4.5 ounces

Q: ers correlate? Here are data on the heights (1H IIICIC3) UI Brother 71 68 66 67 70 71 70 73 72 65 66…

A: Let Y denote height of brother X denote height of sister. We have to calculate line of regression…

Q: Students should spend average of 12 hours studying.  Survey done on 25 students and the distribution…

A: The provided information are:

Q: What is the standard deviation of the following: 15, 24, 41, 11, 20, 48 Round to 2 decimal places as…

A: i have given all the formulas where i have used them

Q: Use the standard deviation values of the two samples to find the standard deviation of the sample…

A:

Q: Please PROBLEMS help with 7.14 Renal Disease The mean serum-creatinine level measured in 12 patients…

A: The proportion of patients, who died within 24 hours, i.e., the 24-hours case-fatality rate in 2000…

Q: What is the mean area in sq. m. of subdivision lots when the standard deviation is 10sq. m. and the…

A: The z-score is referred to as the standard score. It is positive, if it is above the mean, and…

Q: Find the mean absolute deviation of the data below 10,15,9,8,7,11,14,8,10,12

A:

Q: Compute z-scores and use them to compare values from different data sets Question In a recent…

A: From the provided information, The mean price for a 2000 sq ft home in Florida (µF) = $240,000…

Q: The last class of data to be examined is grouped data vs. ungrouped data. Differentiate between the…

A: 13,15,19, 21, 12,18,16,15,17

Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…

A: Mean, inchesStandard deviation,  inchesz-score of data x is calculated by using the…

Q: Question Help A study was conducted on shoe sizes of students, reported in European sizes. For the…

A: Given: E(Eurosize) = 45.84 SD(Eurosize) = 2.17

Q: please answer in text form and in proper format answer with must explanation , calculation for each…

A: Step 1:The sample size n = 120The sample mean xˉ= 73The sample standard deviations S = 9Step 2:Here,…

Q: 16) Answer each question using the list below 4, 8, 6, 10, 16, 14, 12, 18 Mean = Median= Standard…

A:

Q: what is the Mean Absolute Deviation? What is it's purpose?

A: Deviation in statistical term defined as a single (or) more number of data values deviated from the…

Q: company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: We have to find p58......

Q: The mean (and standard deviation) snowfalls for two cities are noted below. Ottawa, Ontario Canada:…

A: