The following table presents the scores of students in Statistics examination Scores Frequency 30-39 2 40-49 50-59 60 60-69 140 70-79 184 80- 89 135 90-99 78 What is the standard deviation of the scores? Select the correct response: 12.24 14.29 14.22 12.29

Q: The number of goals scored by a college soccer team for a given season are 4, 9, 0, 1, 3, 12, 3, 7,…

A: The population mean is, μ=∑xN=4+9+0+1+3+12+3+7+4+5+8+212=5812=4.8333 The population mean is 4.8333.

Q: Twenty-nine college students were polled and indicated their total cost of textbooks spent on the…

A: Given The data is as follows: 91, 472, 485, 238, 592, 394, 188, 341, 266, 199, 142, 273, 189, 130,…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: Mean is one of the measures of central tendency and is the average value of the data set which tells…

Q: Number of Frogs Caught Daily Next to my House   29 23 14 13 23 22 16 24 27 25 26 19 21…

A: Standard Deviation (SD) : Standard deviation is used to explain how the data points are deviated…

Q: In 2017, Americans spent a record-high $9.1 billion on Halloween-related purchases (the balance…

A: From the provided information, Sample size (n) = 16 adults

Q: What is the standard deviation of the data (7, 1, 7, 10, 5, 3, 2}? O 2.7 O 3.0 5.0 O 9.0

A:

Q: What is the sample standard deviation of the number of texts sent? Number of texts sent, x 30 35…

A: The mean of the number of texts sent is,…

Q: Find the mean and the standard deviation of the data. 48 22 34 26 27 37 20

A: From the provided information, Sample size (n) = 7 Data is given as follow: 48      22     34     26…

Q: Find the mena deviation about the (a) median (b) mean in respect of the following numbers :…

A: Arrange the numbers in ascending order: 26,29,39,46,56,65,72,79,85,99 First we find median and mean…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: Solution Age Number (f) Midpoint (x) f*x x2 f*x2 25-34 27.3 29.5 805.35 870.25 23757.825…

Q: A randomly selected list of everyday food items was generated. Twenty-eight Grub Savers stores were…

A:

Q: The table below gives the number of hours spent watching TV last week by a sample of 24 children.…

A: Given -  The given data are number of hours spent watching TV last week bye a sample of 24 children…

Q: using Excel, a calculator or other technology. The minimum, maximum, range should be entered as…

A: 41 82 53 53 89 87 52 56 65 58 80 68 58 79 79 69 20 45 43 73 27 27 94 12

Q: What is the standard deviation of the data set comprising the numbers 6, 7, 6, 6 and 10?

A: Here Given Data set  6,7,6,6,10

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: he following data represent the number of people aged 25 to 64 years covered by health insurance​…

A:

Q: What is the standard deviation for the following set of scores: 10, 15, 12, 18, 19, 16, 12? Group of…

A: From the provided information, total observations (n) = 7 For calculating standard deviation first…

Q: The data represent the murder rate per 1000 individuals in a sample of selected cities in Malaysia.…

A: Given data: Class Frequency 5-11 8 12-18 5 19-25 7 26-32 10 33-39…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: The question is about frequency distribution.Given :

Q: In a statistics class, 10 scores were randomly selected and the following results were obtained: 74,…

A:

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A: Solution-: We prepare the following table: Class Class Boundaries LB UB Mid Point (xi) Number…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: The provided frequency distribution is: Age Number 25-34 20.8 35-44 31.9 45-54…

Q: The following table presents the scores of students in Statistics examination Frequency 2. Scores…

A: Solution

Q: National park services, a bureau of the US government responsible for park management, is interested…

A: For current year: The mean can be obtained as: Thus, the mean is 74.56. Arranging the data set into…

Q: In a statistics class, 10 scores were randomly selected, and the following results were obtained:…

A: Mean: It is the sum of the total observations divided by the total number of observations. Range: It…

Q: The table below gives the weight measurements of 200 castings: Weight in Kg. No. of Castings Weight…

A:

Q: The 68-95-99.7 Rule for the Normal Distribution 99.7% 0.5 95% 68% 0.4 0.3 0.2 - 0.1 - 0.0 -3 -2 -1 2…

A: a) 68%  empirical rule is known that the 1 standard deviation. The formula for the 1 standard…

Q: What is the standard deviation of the data set comprising the numbers 4, 4, 6, 4 and 7? 1.59 1.99…

A: Solution: Let X be the random variable. The given data is 4, 4, 6, 4 and 7.

Q: 78 70 59 10 88 Given the above data set, what is the sample standard deviation of Study hours using…

A: The sample data for the study hours of students number 1, 3, 5, 9 is 2, 22, 9, 9.

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A: The following table gives the data set with the required calculations:

Q: The table below gives the number of hours spent watching TV last week by a sample of 24 children.…

A:

Q: The table below summarizes the number of hours a sample of college students spent watching…

A:

Q: The table below gives the number of hours spent watching TV last week by a sample of 24 children.…

A: Given data set, 31,28,60,63,33,75,73,87,46,82,70,50,47,50,39,83,25,73,33,74,87,85,97,12   Sort given…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance​…

A:

Q: A certified mechanic was timed for the repair of an automobile on 14 separate occasions. Over the…

A: