According to Chebyshev's theorem, which of the following is the percentage of measurements in a data set that fall within three standard deviations of their mean? Select one: a. 75%. b. At least 75%. c. 89%. d. At least 89%. Clear my choice

Q: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given that Data items : 2.50​, 3.60​, 2.70​, 2.30​, 3.90 Sum of data values = 2.50 + 3.60 + 2.70 +…

Q: Define the mean, median, and mode of the following data. If necessary round to one more decimal…

A: Given that  0.68 0.29 0.63 0.58 0.79 0.62 0.30 0.51 0.37 0.46 0.35 0.52 0.79 0.34 0.51 0.65 0.57…

Q: Angela polled her first grade class about their family pets. The following data lists the number of…

A:

Q: Suppose that your class took a test and the mean score was 86% and the standard deviation was 4%.If…

A: It is given that the mean is 86 and standard deviation is 4.

Q: The Biglock car dealership collected a sample of 1000 pre-owned cars for miles were driven. The…

A: We have given, The Biglock car dealership collected a sample of 1000 pre-owned cars for miles were…

Q: Given the following data, compute for the mean, median and mode. A. Scores of grade 10 students in a…

A: Given the following data, 12,17,18,2,19,20,15,22,16,8,20,23,11,25,9 Formula for Mean is, Mean=Sum of…

Q: uppose that the low daily temeprature is a mean of 25 degrees and a standard deviation of 12…

A: Given data,μ=25σ=12

Q: One of the following measures may take more than one value: Select one: a. Median. b. Mode. c. Mean.…

A: Median, mean and standard deviations take only one value.

Q: 20. For the data in the following sample: 10, 6, 8, 6, a. Find the mean and the standard deviation.…

A: 20. a. The mean of the sample is, x¯=∑ixin=10+6+8+6+55=355=7 Thus, the mean of the sample is 7. The…

Q: Which of the following is sensitive for changes in the data? Select one: a.all b.average c.median…

A: Measures of Central tendency It is the statistical measure that represents the location of data…

Q: In a normally distributed population, one standard deviation from the mean most likely represents…

A: In a normal distribution, about 68% of the data falls within one standard deviation of the mean,…

Q: On average 16 customers are served per hour in a bank serving point. What is the mean and standard…

A:

Q: find the mean if Z-score =14, st.Dev.=2.5, for a score of 8.5

A: Standard normal distribution:The standard normal distribution is a special case of normal…

Q: Which term describes a response that varies greatly from the majority of the other responses in…

A: An outlier is a value in a random sampling from a population that deviates abnormally from other…

Q: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given data set is 157, 158, 163, 167, 170

Q: elow are the summary statistics calculated from the heights of students on a university campus. 25%…

A: It is given that the first quartile is 58.

Q: Which statistical tool studies the relationship between two or more variables? a. Median b.…

A: Answer: Correct option is:  b. Correlation

Q: Identify the level of measurement of the data , and explain what is wrong with the given…

A: Nominal: The level of measurement is nominal when the observations are defined in terms of…

Q: Which of the following  percentiles represents the median of a data set? Select one: a. 100th b.…

A: to find which percentile represents the median .

Q: Find the mean of the following data: 0, 5, 30, 25, 16, 18, 19, 26, 0, 20, 28 A. 0 B. 18 C. 19 D. 17

A: According to the given information it is required to calculate the mean of the given data.

Q: Which of the following summary measures is affected by extreme values? Select one: a. The median.…

A: Range can be calculated as: Range =Maximum value - minimum value

Q: The owner of a company has recently decided to raise the salary of one employee, who was already…

A:

Q: What is the mean of the following data set? 1,99. 2,98. 3,97. 4,96. 5,95.a. 47b. 50c. 75d. 100

A: Mean is the average value of given observations. For the set of 'n' observations, mean is the sum of…

Q: From the given data, calculate the mean number of accounts for the sample. A. 1.91 B. 2.19 C. 2.47…

A: Given Data : X = Number of Accounts Number of Families 0 8 1 16 2 22 3 14 4 6 5 4 6…

Q: Calculate the mean and median of the following data: Record your answers to the nearest hundredth…

A: Given data,12.5, 14.3, 12.9, 15.6, 23.3, 12.9, 14.5, 16.6We need to calculate the mean and median of…

Q: For the following data in the sample:     0,    6,    8,    6,    5 Find the mean and the standard…

A: The data is given as 0, 6, 8, 6, 5.

Q: Given the following set of data, determine the mean 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.