The data set has size 90. Approximately how many observations lie within two standard deviations to either side of the​ mean?

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: The data set has size 60. Approximately how many observations lie within three standard deviations…

A: From the empirical rule

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use…

A: Given Information:- 3.28 2.80 2.84 1.95 1.68 2.51 2.44 3.45 3.94 1.60 2.88 1.62 2.59 3.96 2.49 2.42…

Q: A population has mean 49 and standard deviation 5. What is the data value that has a z-score of 2?…

A:

Q: 1.Find the mean and standard deviation for the data

A: Given: No. of batteries, n=10 Time (x) 397 355 415 395 352 436 327 417 276…

Q: A successful basketball player has a height of 6 feet 2 ​inches, or 188 cm. Based on statistics from…

A: Given the Z score of height of basket ball player is 1.95. The original height of the basket ball…

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

A:

Q: A data set has size of 40. How many observations lie within two standard deviations of either sides…

A: The 68-95-99.7% (Empirical) Rule: For a normal distribution, the empirical rule (68-95-99.7% Rule)…

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: onsider this data set { 9, 3, 8, 8, 9, 8, 9, 18}. Find the standard deviation, s. Round off your…

A: given data, 9,3,8,8,9,8,9,18we have to find out the standard deviation(s) for the given data. x…

Q: A successful basket ball player has a height of 6 feet 4 inches. Based on statistics his height…

A: As given, The basketball player has a height of 6 feet 4 inches and when his height is converted to…

Q: With the extra data value,  the range, standard deviation, and variance is?

A: Given data: 3.31 2.79 2.83 1.97 1.69 2.54 2.46 3.44 3.93 1.59 2.86 1.61 2.57 4.02 2.49 2.42…

Q: The per capita consumption of chicken rose from 36.9 pounds in 1965 to 90.1 pounds in 2015 according…

A: A) Mean is average of all data points. x = 110+93+......+86/152 = 86 Standard deviation  =…

Q: In normally distributed data, what percent of the data lies on the interval 2 standard deviations…

A:

Q: Explain the statistics measure standard deviation. Provide the formulas used to calculate the…

A: We want to define standard deviations and difference between population standard deviations and…

Q: Find the mean and standard deviation of the original set of data.

A:

Q: a quantitative data set has mean 25 and standard deviation 5. what percentage of the observations…

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: The mean value in a dataset is 100, and the value of one standard deviation is 20. What is the value…

A: given data mean(μ) = 100sd(σ) = 20for score that is 2.5 SD above mean, x = ?

Q: Circle the data values that are Within one Standard deviation of the Imean (9, 12, 16, 19, 24)

A: Given that  The data are X : 9 , 12 , 16 , 19 , 24

Q: A successful basketball player has a height of 6 feet 3 ​inches, or 191 cm. Based on statistics from…

A: Given,a basketball player has a height of 6 feet 3 inchesand the Z-score =2.31

Q: A successful basketball player has a height of 6 feet 4 ​inches, or 193 cm. Based on statistics from…

A:

Q: The data set has size 80. Approximately how many observations lie within two standard deviations to…

A: Empirical rule: On a normal distribution about 68% of data will be within one standard deviation of…

Q: Find the standard deviation for this data set. if a one goal hockey game was added to this data set,…

A: From the plot representing the number of goals scored per game, there are three games in which three…

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.