A laminated item is composed of five layers, say X1, X2, X3, X4, and X5. The layers are a simple random sample from a population whose thickness has mean 1,32 mm and standard deviation 0,04 mm. Find the standard deviation of the thickness of an item. Round the answer to four decimal places.

Q: One sample of scores has a mean of M = 45 and a sample size of n = 10 scores.  A second sample of…

A:

Q: After 8 points are added to each score in a sample, the mean is found to be M = 40. What was the…

A: Let us have n number of scores in a sample. After adding 8 to each score sample mean will be M = 40…

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: The given data is as follows:12, 20, 23, 14, 17, 16, 19, 16, 15, 17The objective is to compute the…

Q: The trade volume of a stock is the number of shares traded on a given day. The data in the first…

A: The question is about point estimate.Given :Sample 1 data :To find :a ) Point estimate for the…

Q: Find the range, variance, and standard deviation. The heights (in inches) of nine male army…

A:

Q: Classify the following data. Indicate whether the data is qualitative or quantitative, indicate…

A: Qualitative data: The data value are the the non-numerical quality or characteristic.   Quantitative…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A:

Q: Nocaf Drinks, Inc., a producer of decaffeinated coffee, bottles Nocaf. Each bottle should have a net…

A: The provided information is as follows:The data set is given as: SampleSample RangeSample…

Q: consider sample data with  x = 100  and  s = 4. Compute the coefficient of variation. Round to two…

A: Data given x=100, s=4

Q: Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: town council commissioned a random sample of 85 households to estimate the number of four-wheel…

A: From the given information we find the estimate the number of four-wheel vehicles per household in…

Q: A sample has SS= 20 and s2 =4. How many scores are in the sample?

A:

Q: Let c=0.95, s=7, and n=23. Find the margin of error, E. Assume that the population is normally…

A: The objective of this question is to calculate the margin of error (E) for a normally distributed…

Q: Find the critical value. The critical value is zo =. %3D

A: Given α=0.10

Q: Suppose you have information about average heights of a random sample of airline passengers. The…

A: Given Information: Mode=68 inchesMedian=69 inchesMean=69 inches To find out the values of the mode,…

Q: Find the z-score for which 99% of the distribution's area lies between -z and z. Click to view page…

A: The objective is to find the z-score for 99% of the distributions area lie between –z and z.   That…

Q: 0.25 inches. About 95% of the distribution lies between what two values?

A:

Q: Calculate the standard score (z-score) of the given sample mean. Round your answer to two decimal…

A:

Q: Refer to the figure at the right. At a= 0.10, can you reject the claim that the proportion of 18 to…

A:

Q: determine whether the samples are independent or dependant. To test the effectiveness of a drug,…

A: The objective of the question is to determine whether the samples in the given scenario are…

Q: Fifteen people were asked how many miles they commute to work each day. The data are summarized in…

A: Data is given. We have to calculate,  1) Median of the data? 2) Mean of the data?

Q: garages A and B for estimates. Find the 95% CI for the difference between the population mean

A: Given :   1 2 3 4 5 6 A 890 900 910 710 990 650 B 880 1010 980 790 1042 600

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integers…

A: Given data is74,80,76,70,69,87,59,66,52Arrange the data in ascending…

Q: MJ took a sample of 50 pieces of data. She added up all of the pieces of data and then divided by…

A: The objective is to determine which measure of central tendency is used in the given scenario.…

Q: A sales manager recorded the number of sales made by each of the 300 salespeople working at his…

A: As per the guidelines, we are only allowed to solve three subparts. Please paste the other subparts…

Q: a random sample of 74 people, 38 are classified as "successful" Determine the sample proportion, p,…

A: Given data,Number of people n=74Classified are successfull is 38

Q: For a population, N = 12,000 and p = 0.71. A random sample of 902 elements selected from this…

A:

Q: Paul wants to estimate the mean number of siblings for each student in his school. He records the…

A: A parameter is a number representing the entire population. Usually sample statistics is used to…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: 1. Range is the difference between lowest & highest values.  Here , lowest value = 45…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: Sketch the normal curve and shade the area of 0.04 to the left of "z" under the normal curve. Refer…

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.