A rectangular room was designed to be built for a length of 26 feet and a breadth of 12 feet. Find the Absolute Error Relative Error and Percentage Error in the area of the room if there is a deviation in the length of the room by 1.2 feet and breadth by 1.7 feet ater the construction.

Q: The average thickness of books on a library shelf is 8.3 centimeters. The standered deviation is .6…

A: The mean is 8.3 centimeters and standard deviation is 0.6 centimeters. The books are undersized…

Q: Complete the following sentence that briefly explains what is measured by the standard error of…

A: In this case, we need to fill the given blanks with suitable answers.

Q: If the average weight for cats is 12 pounds and the standard deviation is 2 pounds. 68 percent of…

A: Given data: If average weight for cats = 12 pounds standard deviation = 2 pounds. To find: 68% of…

Q: if Y=3X+7 , find the standard deviation of Y.

A:

Q: Explain why it makes sense that the standard deviation of X is in the denominator of the formula…

A: Standard deviation of X merely serve to scale the units of the coefficients and standard errors in…

Q: The distribution is not symmetric. Which direction is the skew and what does that tell you about the…

A: When the tail of the distribution is elongated to the right side, the shape of the distribution is…

Q: what is the relative error of this data ? Please do in excel and show the formula you applied.

A: Hint: First I found standard error and then relative standard error  Solution: Standard error=…

Q: Assume the cholesterol levels of adult American women can be described by a Normal model with a mean…

A:

Q: mean of μ = 78. If your score is X = 70, which standard deviation would give you a better grade: σ…

A: A distribution of exam scores has mean µ=78, and σ2=42 i.e. X~N(µ=78, σ2=42) If exam score is x=70,…

Q: , find the percentage error in

A:

Q: A class has a average height of 68 inches and a standard deviation of 2 inches. What percent of the…

A: Let x be the height which follows normal distribution with mean 68, and standard deviation 2. The…

Q: A rectangular room was designed to be built for a length of 24 feet and a breadth of 15 feet. Find…

A:

Q: A doctor notes her patient's temperature in degrees Fahrenheit every hour to make sure the patient…

A: Given that we are measuring patients temperature in degrees Fahrenheit. The level of measurement of…

Q: a) If a speedometer's absolute error is 2 mph and it measures a speed of 60 mph, what is the…

A: Note: Hi! Thank you for the question as per the honor code, we’ll answer the first question since…

Q: In an industrial establishment, the coefficients of variation of wages of male and female workers…

A: Given Information: Coefficient of wages of male = 55% Standard deviation of male = 22 Coefficient of…

Q: Compute the relative error if the true or actual value is 45.84 cm and the measured value is 46.00…

A:

Q: A rectangular room was designed to be built for a length of 12 22 feet find the absolute error…

A: Given: To find the absolute error, relative error, and percentage error in the area of the room.…

Q: Given the mean of the difference scores is 7.0, standard deviation of the difference scores is 3.5,…

A: Given that, The mean of the difference scores is 7.0 The standard deviation of the difference scores…

Q: The mean of data set A is 42. The mean of data set B is 47. The mean absolute deviation of both sets…

A: Mean of data set A =42 Mean of data set B=47  Mean absolute deviation of A and B =2.5 To find :-…

Q: What is the direct variation?

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

Q: There were 200 students and their intelligence were measured. The mean and Standard deviation…

A: N=200 Mean =110 Sd =14

Q: A rectangular room was designed to be built for a length of 15 feet and a breadth of 20 feet. Find…

A:

Q: A piston of diameter 84 mm is being manufactured for an automobile engine. What is an approximation…

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Q: In the final Examination in Statistics, the mean grade was 82 and the standard deviation was 8. In…

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Q: It is often quoted that in a normal distribution, 95% of the data lies 1.96 deviations either side…

A:

Q: The heights of a large group of women averaged about 64.8 inches, with an SD of about 2.4 inches.…

A:

Q: The median is equal to the 5th decile. True or False?

A: Solution

Q: It is often quoted that in a normal distribution, 95% of the data lies 1.96 deviations either side…

A: Let X be the random variable   X~ Normal (0, 1)

Q: Looking at the test data, Jason saw that his score was a 2.5 with a mean of 79 and a standard…

A: We will find the actual score as following.

Q: Assume that a data for pulse rates of 50 participants is ollected. The mean pulse rate has the mean…

A: Range rule of thumb: The values are significant if it is lies within 2 standard deviations away from…

Q: How long is the median relating to the 10 cm side in a triangle with sides of 6, 7 and 10 cm?

A: The Median is approximately 5.91

Q: Can the deviations tend to cancel one another out if they are added directly?

A: The term deviation could be defined as the difference that lies between the variable’s observed…

Q: A student at Tolland High School wondered if boys or girls at her school traveled a greater distance…

A: Given: Sample size for girls = 50 Sample size for boys = 50 The concern is to check the average…

Q: The mean price of the fish in a pet shop is $2.93, and the standard deviation of the price is $0.59.…

A:

Q: The coefficient of variation for the systolic measurements is ___ %? The coefficient of variation…

A: Solution: The systolic and Diastolic measurements for a group of 10 adults are given. The…

Q: Find and Stondard deviation X. mean of

A: Let , the probability density function of X is given below, = 0 ; otherwise Our aim is to find the…

Q: The mean of data set A is 42. the mean of data set B is 47. the mean absolute deviation (MAD) of…

A: given dataμA =42μB = 47∴ difference = 47-42 = 5MAD = 2.5

Q: Moving Forward A rectangular room was designed to be built for a length of 25 feet and a breadth of…

A: Find error

Q: the mean (and standard deviation) snowfalss for two cities are noted below.  Ottawa : Mean=98…

A: The relative average can be obtained using z-score. The z-score for the snowfall in Ottawa is…

Q: A group of patients has a mean height of 160 cm and a standard deviation of 10 cm. What score (to…

A: It is given that mean height 160 and standard deviation 10. Aim is to find the cut off value for…

Q: A distribution of exam scores has a mean of μ = 78. If your score is X = 80, which standard…

A:

Q: It is often quoted that in a normal distribution, 95% of the data lies 1.96 deviations either side…

A: We have given that  Normal distribution 95% of the data lies 1.96 deviations either side of the…

Q: A test statistic works like a Z-score in that it measures the distance between ________________ and…

A: Consider that the population mean is µ and the sample mean is x̅ .

Q: The number of miles driven on each of five tires was 17,000, 18,000, 18,000, 21,000, and 21,000.…

A: The given data is xi=17000, 18000, 18000, 21000, 21000. The number of observations is n=5.

Q: A rectangular room was designed to be built for a length of 28 feet and a breadth of 19 feet. Find…

A: In the question it is asked to calculate absolute error, relative error, percentage error for the…

Q: The height of personnel of a security service are normally distributed with a mean of 161cm and a…

A: Given: μ=161σ=8 i) The proportion of the security service have heights between 152cm and 176 cm are…

Q: The actual value of the standard deviation can be zero or a positive number, why value can never be…

A: Measures of Dispersion: The word dispersion is used to denote the degree of heterogeneity in the…