The mean is (Round to three decimal places as needed.)

Q: THE FF. WERE THE RESULTS OF THE EXAMINATION CONDUCTED FOR GRADUATING STUDENTS. FIND THE MEAN (USE 4…

A: The objective is to compute the mean for the given data.

Q: Find the Phat and q - hat for the given data, X = 258 and n = 564 Round to three decimals CS Scanned…

A: Answer:- Given, x = 258 and n = 564 Using formula,  P-hat = (x/n)  q-hat = (1 - P-hat)

Q: Workers at a certain soda drink factory collected data on the volumes (in ounces) of a simple random…

A: State the hypotheses. That is, there is no evidence to conclude that the population of volumes has…

Q: Find p-hat and q- hat for the given data, X=280 and n = 580 Round to three decimals

A: Answer: From the given data, X = 280 n = 580

Q: Calculate (x-bar) for the data shown, to two decimal places 20.5 5.8 1.4 15.4 22.3 6.5

A:

Q: A student's course grade is based on one midterm that counts as 10% of his final grade, one class…

A:

Q: Consider the discrete data in the table below. a) Construct a frequency distribution a) Construct a…

A: Frequency Distribution : A frequency distribution is representation of data in a graphical (or)…

Q: According to the Bureau of Transportation Statistics, on-time performance by airlines is described…

A: Claim : The sample is a good fit to the Bureau of Transportation Statistics.

Q: fic Accidents The county highway department recorded the following probabilities for the number of…

A: Let X be the number of accidents per day on a certain freeway for one month.The…

Q: It has long been stated that the mean temperature of humans is 98.6°F. However, two researchers…

A: Degrees of freedom = n-1 = 275 - 1 = 274

Q: Approximate x to three significant figures .

A: x=log 8.4 , b. log x=-2.4260 c. ln x=1.8

Q: find the geometric mean between the two numbers , round to the nearest tenth if necessary

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: Calculate ¯xx¯ (x-bar) for the data shown, to two decimal places

A: It is given that, We have the value of data X as 8.3,8.7,5,5.5,26.6 We know that x̅(X-bar) is…

Q: Listed below are the lead concentrations in pg/g measured in different traditional medicines. Use a…

A: Given data is4,13,10.5,14,2.5,9.5,17,4,11,18.5α=0.10

Q: Suit Sales The number of suits sold per day at a retail store is shown in the table, with the…

A: Number of suits  sold per day at a retail store is given below:Number of suits sold…

Q: c. Find the 95th percentile.

A: From the solution, we have μ=1.157 σ=0.532

Q: b. Earthquakes above 4.0 will cause indoor items to shake. What percentage of earthquakes fall into…

A: It is given that  μ = 1.157 σ = 0.532

Q: A survey of 700 non fatal accidents showed that 287 involved defective equipment.  Find a point…

A: Given

Q: A math teacher claims that she has developed a review course that increases the scores of students…

A: Denote μ as the population mean score.

Q: Approximate x to three significant figures.

A: Consider the given value. logx=-2.2118 Now, find the value of x.…

Q: what is the mean when pi= 0.25 and n=40?

A: Solution: From the given information, pi=0.25 and n=40.

Q: Find the measures of dispersion and interpret the results

A: Fine quantityEnterprises quantity81726658420338260160035

Q: Chris is asked to find a geometric mean in JKL what is his error?

A:

Q: The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 118…

A: The parameter {\displaystyle \mu } is the mean  or expectation  of the distribution (and also its…

Q: b. At the 0.05 level of significance, using the p-value approach to hypothesis testing, is there…

A: sample size(n)=50Mean()=10.25standard deviation(s)=5.3The null and alternative hypothesis…