you created a survey that measue Depression In you want to test people. the Claim that the mean. meusurements of Depression that peaple have is not eguel to 6.5. A sample. of 145 u mean Of you depression measerement of X=6.7 and a standard deviation of l,5. patrents had a

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The mean of the data is 25.16 and it's coefficient of variation is 18.75 . Find the standard…

A: The coefficient of variance, COV = sx¯*100 s is the standard deviation x¯ is the sample mean To find…

Q: You have a dataset with a mean of 50 and a standard deviation of 5. What is the coefficient of…

A: From the provided information, Mean (x̄) = 50 Standard deviation (s) = 5

Q: Can you find the mean and the standard deviation with this data?

A: Given: Data on Index finger length for female. Step-by-step procedure to obtain the mean and the…

Q: The average IQ in Sarah’s class is 105 with a standard deviation of 15. What is the z score of Sarah…

A:

Q: Human body temperature have a mean of 98.20F and a standard deviation of 0.62F. Sally's temperature…

A:

Q: The scores on a standardized normally distributed with a mean of 95 and standard deviation of 10.…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: A teacher wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10%…

A: Here we need to find the mean, median and mode for the given normal distribution. Also we need to…

Q: her wishes to give A’s to the top 8% of the students and F’s to the bottom 8%. The next 10% will be…

A: given: mean(μ)=78 sd(σ)=8

Q: Sarah's score on the second exam was 34 for which the mean of all scores was 28 and the standard…

A:

Q: Analyze the mean and standard deviation for the above data. This analysis must be not less than 200…

A: Mean, which is also known as the average, is used to derive the central tendency of the data. It can…

Q: A population has mean 27 and standard deviation 12 . What is the data value that has a z-score of -2…

A: Given data, Mean=27 sd=12 z=-2 x=?

Q: A commonly used standardized test in psychology research is designed so that the mean score of all…

A: From the provided information, Mean (µ) = 140 Standard deviation (σ) = 20 X~N (140, 20) Here X be a…

Q: Suppose that Harry and Ron take an exam for which the mean score is 60 and the score of standard…

A: Given information- Population Mean µ = 60 Standard deviation (σ) = 10 Harry's score = 80

Q: 37 38 37 30 36 47 40 47 27 36 30 26 41 41 51 44 31 40 38 44 39 53 37 42 45 44 44 41 46 37 Do the…

A: We have given the data set of sample size 30. We have to calculate sample standard deviations. (b)…

Q: Suppose a friend tells you that the average length of trout caught in pyramid lake is u=19 inches.…

A: Given information Hypothesized mean = 19 Sample Standard deviation = 3.5 Sample mean = 18.6 Sample…

Q: Find the simple standard deviation of the data. Be sure to include the screenshot of excel of your…

A: Let X: Parking Ticket fines (Canadian $)   The data is given as : X 30 15 40 40 40 30…

Q: T'he mean and standard deviation of a set of 100 observations were worked out as 40 and 5…

A:

Q: Assume that math test scores are normally distributed with a mean of 400 and a standard deviation of…

A:

Q: Many students did an exam, the mean was 15 and the standard deviation was 32 The highest mark was…

A: Given Mean μ=15, standard deviation σ=32  X=103

Q: from the

A: The standard deviation and average deviation,  are two of the most frequently used measures for…

Q: The difference in the population means divided by the population standard deviation of a study is…

A: Given that The difference in the population means divided by the population standard deviation

Q: Assume that math test scored are normally distribution with a mean of 200 and a standard deviation…

A:

Q: Stanford-binet IQ test scores are normally distributed with a mean score of 100 and a standard…

A: Given that  Stanford-binet IQ test scores are normally distributed with a mean score of 100 and a…

Q: You are given that mean = 50, coefficient of variation = 40% and coefficient of skewness =-0.4. You…

A: Given,mean=50coefficient variation(CV)=40%coefficient of skewness=-0.4

Q: Jack had an average score of 75 with a standard deviation of 3. Mikes z-score was 1.85. His actual…

A: We have given that,  X be the random variable from normal distribution with mean Or average score…

Q: You scored a 85 on a stats test with a mean of 70 and a standard deviation of 7. You also score a 90…

A:

Q: Exhibit 6-5 The weight of items produced by a machine is normally distributed with a mean of 8…

A:

Q: Pyramid Lake is on the Paiute Indian Reservation in Nevada. The lake is famous for cutthroat trout.…

A: Let X: the length of trout caught in Pyramid LakeGiven that,Mean length(μ) = 19 inches.Sample…

Q: The number of hours per day a college student spends on homework has a mean of 5 hours and a…

A: We have given that Mean(µ) = 5Standard deviations (σ) = 1X ~ N (µ, σ )= N(5, 1)

Q: there are 75 students in the class and 20 students are getting a+ grade in the class find the mean…

A:

Q: The scores on a standardized test normally distributed with a mean of 110 and standard deviation of…

A: Here we need to find the score corresponding to  z = 2.2 standard deviations above the mean. Mean is…