The data shows the roundtrip mileage that randomly selected students drive to school each day. Find the standard deviation of the frequency distribution. Round your answer to one more decimal place than is present in the original data values. Miles / Frequency 10-14 / 21 15-19/ 24 20-24/ 25-29/16 30-34/16

Q: Round each z-score to the nearest hundredth.   A data set has a mean of x = 79  and a standard…

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Q: The frequency distribution in the table represents the square footage of a random sample of 498…

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Q: Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest…

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Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 79 and a standard…

A:

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 218 and a standard…

A: Given , x = 218    , σ = 40 We know , z-score = x-xσ

Q: collected data on the cost of computers at best buy shows that 95% of the prices are between what…

A: The two values of cost of computers at best buy in which about 95% of the prices are is obtained as…

Q: n test score was 1463 and the standard deviation was 314. The E the z-scores that correspond to each…

A: Consider a random variable X which represents the standardized exam score. The formula for…

Q: SITUATION: The average salary loan for a government employee is 23, 000. If he debt is normally…

A:

Q: The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the…

A: The complete table is, Frequency(f) Midpoint(x) xf 2 70.5 141 13 92.5 1,202.5 24 114.5…

Q: The reading speed of second grade students is approximately normal, with a mean of 90 words per…

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Q: Find the standard deviation for the group of data items. Stems Leaves 8 1 58 2 58 The standard…

A: Given data : From the above stems and leaves data 8,15, 18, 25, 28 x¯ = ∑xin x¯ = 8+15+18+25+285 x¯…

Q: The cholesterol levels of an adult can be described by a normal model with a mean of 185 mg/dL and a…

A: x~Normally distributedmean=μ=185 mg/dLstandard deviation=σ=24z=x-μσ , z~N(0,1)

Q: Renee scores an average of 159 points in a game of bowling, and the points are normally distributed.…

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Q: given table to find the percentage of people with readings above 70. 122 And a standard deviation of…

A: Given that : μ = 122 ? = 18 By using standard normal distribution we find P(x > 70 ) = ????

Q: Find the stansard deviation of the data summerized in the given frequency distribution.  The test…

A: The formula for mean and standard deviation is given by,

Q: Round each z-score to the nearest hundredth  A data set has a mean of x=72 and a standard deviation…

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 set of data items is normally distributed with a mean of 18 and a standard deviation of 5.9. Find…

A: Given values, mean = 18 standard deviation = 5.9

Q: The average price of a textbook was found to be $125. What should be the standard deviation of this…

A: Obtain the value of the standard deviation. The value of the standard deviation is obtained below as…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of​ adults, and those scores…

A: Let x be the IQ score which follows normal distribution with mean 100 and standard deviation 15. The…

Q: The body temperatures of adults are normally distributed with a mean of 98.6° F and a standard…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: The frequency distribution in the table represents the square footage of a random sample of 496…

A: Mean and the standard deviation is a descriptive statistic. To find the average value we use mean…

Q: ​(a) Determine the standard deviation of recumbent length for all 20 observations.   nothing cm…

A: The mean is,…

Q: The grades on a test follow a normal distribution with a mean mark of 70 and a standard deviation of…

A: The mean is 70 and the standard deviation is 9.

Q: The graph shows the distribution of the number of text What percentage of young adults send between…

A: GivenMean(μ)=28standard deviation(σ)=30

Q: The Atlanta Braves baseball team has a mean batting average of 250 with a standard deviation of 20.…

A: when Z from -1 to 1 then percentage between that is 68.2%

Q: The graph shows the distribution of the lengths (in seconds) of videos on a popular video-streaming…

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Q: The graph shows the distribution of the cost of drinks at a popular coffee shop. The distribution is…

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Q: The mean weight of fish raised at the Stockton Fish Farm is 2.2 pounds. The standard deviation is…

A: Chebyshev's theorem: At least 1-(1/k2) of the values are lies between k standard deviations µ±kσ.…

Q: When the weight of a parcel of oranges was measured, it was seen that the average 200 grams and…

A: Given: Population mean (μ)=200 Population standard deviation (σ)=25 Let X be the weight of a parcel…

Q: Find the standard deviation of the data set shown. Round your answer to the nearest tenth.…

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Q: % of the data within 2 standard deviations. Given a set of data that is bell-shaped there is…

A: According to the Empirical Rule (also called the 68-95-99.7 Rule), for bell shaped data we say that…

Q: The scores on an exam were normally distributed with a mean of 75 and a standard deviation of 8.…

A: Introduction :-  Let ,  X = Exam scores of students. Given that, X ~ N ( 75 , 64 )  Here we have to…

Q: In a Science class of 60 students, the mean general average of the students at the end of the sem is…

A: Given info: In a Science class of 60 students, the mean general average of the students at the end…

Q: A data set list weights of plastic discarded by households. The highest weight is 5.73, the meaning…

A: From the provided information, Highest weight = 5.73 lb Mean of all the weights (x̅) = 1.803 Sample…

Q: 3) The average rent for a condo/duplex listed in the Sacramento News & Review “Classified" ads in…

A: Given information Mean = $882 Standard deviation = $204 Assuming Y follows normal Distribution,…

Q: Joey and Dee Dee bowled five games at the Rock 'n' Bowl Lanes. Their scores are given in the…

A:

Q: The scores on a mathematics exam have a mean of 65 and a standard deviation of 7. Find the x-value…

A: From the given information,   Mean = 65 Standard deviation = 7   And, z =-2.575

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults doors, and those…

A: Here we need to find the indicated iq score.

Q: Jay is a photographer who estimates that their time shooting for a cooking magazine is uniformly…

A: (a). Write out the distribution for Jay’s situation: Denote the random variable as X = Time shooting…

Q: Round each z-score to the nearest hundredth. A data set has a mean of  x = 76  and a standard…

A: Given: A data set has a mean of x = 76 and a standard deviation of 11.4.  a) The formula for z-score…

Q: The accompanying frequency distribution represents the square footage of a random sample of 500…

A: Square Footage Frequency Midvalues (xi) fixi 0 - 499 5 249.5 1247.5 500 - 999 17 749.5 12741.5…

Q: ssume that the heights of women are normally distributed with a mean of 63 inches and a standard…

A: The formula for the z score is,  The probabilities is computed using standard normal table.

Q: 0.75

A: Given X is normal Distributed with mean µ = 100.0 and standard deviation σ = 15.0 now will use…

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 4074 and a standard…

A: As per Bartleby guideline for more than one question asked only first is to be answered  and please…

Q: The graph shows the distribution of times (in hours) that teenagers spend playing video games per…

A: Solution: Let X be the time that teenager spend playing video games per week. From the given…

Q: One aspect of the beauty of scenic landscape is its variability. The elevations (feet above sea…

A: We have given that data  I want to find mean and standard deviation  Mean = sum of all…

Q: The lengths in minutes of feature films for the current year follow a normal distribution with a…

A: According to the given information, we have The distribution is normal. Mean = 109 minutes Standard…

Q: Use the table below to find the standard deviation of the following data set: If you need to enter a…

A: We have given that data  11, 22, 22, 23, 45, 48 I want to find standard deviation  Standard…