What does a mean of 9.1429 and a standard deviation of 2.5455 tell you
Q: Former basketball player, Rebecca Lobo, is 6'4" (or 76 inches). Suppose the average height of women…
A: We know, (1 foot = 12 inch)Given;X: height of womenmean(X)=μ=5'4''(i.e. 5 foot 4 inches)=64''(i.e.…
Q: Naomi scores 39 on a test. The standard deviation is 6.00. Her z score is +1.5. What is the mean of…
A: given data x = 39 σ = 6z = 1.5μ = ?
Q: Multiplying every score is a sample by a constant value will change the value of the standard…
A: Standard deviation is a measure of the amount of dispersion of a set of values. It is obtained by…
Q: What
A: Explanation and solutions is given below....
Q: The mean assessed value of homes in Southern County is $158,000 with a standard deviation of…
A: Old mean = E(X) = 158000 Old SD = SD(X) = 32000
Q: You are told that the mean for an exam was 73.29 with a standard deviation of 8.89. Convert the…
A: Given that μ=73.29,σ=8.89 The z-score corresponding to 70.01 is, The z-score corresponding to 78.22…
Q: A successful basketball player height is 203 cm. His converts to the z score of 4.10. How many…
A: Consider, X = 203 z-score = 4.10 z-score is a numerical value that tells the number of standard…
Q: what if the standard deviation was 30, instead of 60
A:
Q: The annual salaries for workers at a local mill are normally distributed with a mean of $45,000 and…
A: The annual salaries for workers at a local mill are normally distributed with a mean of $45,000 and…
Q: What is the mean reading? What is the standard deviation?
A: A function f(x) is said to be a probability density function if f(x) ≥ 0 and ∫f(x)dx = 1. Consider…
Q: Assume that men's heights are normally distributed with mean 69.2 inches and standard deviation 2.9…
A: Let x be the heights of men's which follows normal distribution with mean 69.2 inches and standard…
Q: A successful basketball player has a height of 6 feet 8 inches, or 203 cm. Based on statistics from…
A: Consider X is a random variable defined as the height of a successful basketball player.The provided…
Q: A test has a mean of 140 and a standard deviation of 27. What proportion of people have scores…
A:
Q: The mean height for women in the United States is approximately 64.5 inches with a standard…
A: Formula : Z =(X - μ)/σ
Q: A set of population data has a mean of 520.4 and a standard deviation of 66.9. Calculate the z-score…
A: From the provided information,Mean (µ) = 520.4Standard deviation (σ) = 66.9
Q: he cost of laptops is normally distributed with a mean of $750 and a standard deviation of $60. What…
A: GivenMean(μ)=750standard deviation(σ)=60
Q: Scores for a civil service exam are normally distributed, with a standard deviation of 8. To be…
A:
Q: The amount of income taxes that people owe each year varies greatly from person to person because…
A:
Q: On a spelling test, the standard deviation is equal to 0.94. What does this mean
A: We know that the Standard deviation tells us that how much data is scattered around the mean value…
Q: Suppose phone bills have a mean of $78 and a standard deviation of $8. How much would a phone bill…
A:
Q: Laura learned that the average GPA in her school is 3.6 with a standard deviation of 0.3. If her GPA…
A: From the given information, Mean = 3.6 Standard deviation = 0.3 The objective is to find the…
Q: Find the standard deviation if the mean = 2, mode = 5, variance = 56 . Round your answer to three…
A: We have given that, Mean (x̄) = 2 , mode (z) = 5 and variance (s^2) = 56 Then, We will find…
Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…
A:
Q: What is the Mean deviation of the numbers 0.5, 0.8, 1.1, 0.9 and 0.6
A: The data is given by 0.5, 0.8, 1.1, 0.9, 0.6 And the mean of these numbers is Mean = (0.5 + 0.8 +…
Q: Adult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the…
A: The objective of this question is to find the height of a man given the z-score, the average height,…
Q: Adult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the…
A: given data, μ=69.0σ=2.8height of a man with a z-score of -1.75 =?
Q: Provide an appropriate response. A manufacturer claims that the mean lifetime of its fluorescent…
A:
Q: You want to estimate the mean number of friends for all Facebook users. How many users must be in…
A: Given data : 95% CI Standard deviation = 53 E = 7
Q: Systolic blood pressure readings are normally distributed with a mean of 121 and a standard…
A:
Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…
A: Given that, Mean = 72 Standard deviation = 7
Q: The U.S. Census Bureau conducts a study to determine the time needed to complete the short form. The…
A: Given Data Population Mean,μ = 8.2 Population Standard Deviation,σ = 2.2 sample…
Q: H=34, o=4.5, the score is 2.5 standard deviations above the mean
A: Suppose the variable of interest is x.The mean is and the standard deviation is .
Q: In a normally distributed data set of how long customers stay in your store, the mean is 43.5…
A: Given data Mean μ = 43.5 Standard deviation σ = 3.9 95% of your customers to stay in your store.…
Q: If the readings are 2 34 the average deviation is--- 5.33 0.66 2.44 3.34
A:
Q: Instruction: Please help me to answer all the questions correctly. Suppose that 12.5% of horses live…
A: As per guidelines we will solve only one question, please repost other questions for more answers.…
Q: A department store has daily mean sales of $ 28,372.72. The standard deviation of sales is $2000. On…
A: Given information- Mean sales, μ = $ 28,372.72 Population standard deviation, σ = $2000 Tuesday’s…
Q: The mean composite score for seniors who took the SAT in 2010 was 1068. If the standard deviation…
A: From the provided information, Mean (µ) = 1068 Standard deviation (σ) = 100
Q: The mean or average number of days for someone age 12 and older in the US to smoke weed (if they…
A: According to the given information in this question We need to find number of days per year smoke…
Q: Explain what the following terms / tests are used to calculate. Write the formula that calculates…
A: STANDARD DEVIATION: The standard deviation is a term that belongs to descriptive measure of…
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- A sandwich shop claims to sell subsandwiches that are 12 inches lona. An employee is alittle suspicious about this claim So over the course of the next week, he measures 45sandwiches at random. The mean and standard deviation for the 45 sandwiches is 12 18 inchesThe average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances that someone is earning more than $20 an hour?A value of 104.2 would be how many standard deviations above the mean, given a mean of 100, and a standard deviation of 5.6?
- A quantitative data set has mean 19 and standard deviation 2. Approximately what percentage of the observations lie between 17 and 21?You are provided with a mean of 28.18 with a standard deviation of 4.33. What percent of students had a score between the mean and 26.25?Give the TI commands to find the mean, median, and standard deviation and compare to the original post when done by hand. Mean = 14.1 + 6.4 + 9.6 + 21.2 + 16.8 + 2.2 + 6.0 = 76.3 / 7 = 10.9in. Median = 2.2, 6.0, 6.4, 9.6, 14.1, 16.8, 21.2 = 9.6in. How can I find the mean and median on TI caculator?
- The annual rainfall in a town has a mean of 54.57 inches and a standard deviation of 12.84 inches. Last year there was rainfall of 71 inches. How many standard deviations away from the mean is that? Round your answer to two decimal places.SAT : MEAN IS 500 STANDARD DEVIATION IS 100 ACT: MEAN IS 20 STANDARD DEVIATION IS 6An agronomist measured the height of 134 canola plants. The mean height was 214 cm and the standard deviation was 16 cm. Calculate the standard error of the mean.
- Scores on a recent NYS Standardized Exam were normally distributed with a mean of 77.6 and a standard deviation of 4.3. Find the NYS Standardized Exam score that separates the bottom 2.5% from the rest. Round this score to the nearest tenthAdult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the height of a man with a z-score of 0.07. Round your answer to one decimal place. inchesThe mean or average number of days for someone age 12 and older in the US to smoke weed (if they smoke it at all) is 117.72 days per year. The standard deviation is 131.60. What was the NORMAL number of days per year to smoke weed?