8. Calculate SS, o², and o for the following population of N = 5 scores: 6, 0, 4, 2, 3.

Q: number 4

A: A frequency table is used to understand the number of times an observation occurs. The cumulative…

Q: Find the IQ Score.  IQ score  0.3446 Distributed with a mean of 100 and a standard deviation of 15.…

A: Given DataMean = 100Standard deviation = 15Probability of IQ score of adults = 0.3446

Q: Round each z-score to the nearest hundredth. A data set has a mean of x = 79 and a standard…

A:

Q: Test scores for a history class had a mean of 89 with a standard deviation of 8.9. Suppose a student…

A: According to the given information, we have Mean = 89 Standard deviation = 8.9 Raw score = 67

Q: Salaries paid for all workers last year had a mean of $45,000 amd a standard deviation of %5,500.…

A:

Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

A:

Q: A basketball player has a scoring average of 0.325 each week of the season, with a standard…

A: Given: μ=0.325σ=0.065

Q: The mean of the population is 50. The standard deviation is 10. (b) if a person's  percentile rank…

A:

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: We have given that the scores are normally distributed with mean 100 and standard deviation 15.

Q: What we really want to know is whether coached students improve more than uncoached students, and…

A: Given: Sample size of first sample n1=427 Sample size of second sample n2=2733 Lets take data of…

Q: on jan 15 the temperature is 4 degre standar deviation above the mean what is temperature on jan 15

A: Given that Mean temperature = 16 And SD = 0.5 Let x denote the temperature on Jan 15.

Q: Americans love ice cream .The annual per capita consumption of ice cream ,in pounds ,in the united…

A:

Q: Which of the following is least affected if an extreme high outlier is added to your data?…

A:

Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25

A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: By empirical rule, 68% of data falls within one standard deviation. Thus, based on given info,…

Q: What is the standard deviation of the average fill volume of 100 cans?

A: We have given that the fill volume of cans are independent, normal random variables. The standard…

Q: 3. Number of laid eggs EGGS 462 480 498 98 75 55 No of days 57 516 42 534 30 552 21 570 588 25 11…

A: There are four activities given in this question along with the data generated from them. Heights…

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults in those scores are…

A: Let X be the random variable for the IQ scores of adults. X~Nμ, σ Where, Mean (μ)=100Standard…

Q: Which of the following does NOT reveal the variation (spread) of the data? Check all that apply.…

A: A measure of central tendency helps to identify the location of a dataset, whereas a measure of…

Q: 18. Calculate the ±3 standard deviation range for the mean of 15.7 and S

A: Mean=15.7 Standard deviation=4.2

Q: The mean score in a test is normally distributed with mean 30 and standard deviation 10. What is…

A: Given :  Mean, μ = 30 standard deviation, σ = 10 x = 55

Q: which in the picture is an estimator for the population mean µ?

A:

Q: Differentiate between qualitative and quantitative data with examples. What are the limitations of…

A: Qualitative research is aimed at gaining a deep understanding of a specific organization or event,…

Q: Which average is affected most by extreme values Oa. Median O b. Arithmetic Mean OC. Mode Od.…

A: Median is the middle-most value of the sorted data. Removing extreme values does not affect much the…

Q: The population mean of happiness is 5.382, with a standard deviation of 1.138. Linda has a z score…

A: We have given that,  Let X be a random variable following normal distribution with mean (Mu) = 5.382…

Q: The is NOT a measure of central tendency, and the is NOT a measure of variation. range median mean…

A:

Q: scores on an english test are normally distributed with a mean of 31.5 and a standard deviation of…

A: X follows a Normal distribution with mean = 31.5 and S.D = 6.9 Then z=(x-mean)/SD = (x-31.5)/6.9…