When bears were anesthetized, researchers measured the distances (in inches) around th and weighed the bears ( in pounds). The results were recorded for 12 male bears. What most appropriate test be if the data were non-normally distributed?

Q: The heights of a particular type of tree are normally distributed with a mean height 20.2 feet and…

A: The heights of a particular type of tree are normally distributed with a mean height , μ = 20.2 feet…

Q: A biologist is studying rainbow trout that live in a certain river and she estimates their mean…

A:

Q: A sample of 3000 persons were surveyed for their weight in pounds, the mean weight is 135 Ibs with a…

A:

Q: A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that…

A: Solution-: Given:  In this problem, which type of quantity does the 4 ounces refer to?

Q: The scores on a standardized test are normally distributed with a mean of 115 and standa deviation…

A: Z = 2.2 , μ  = 115 , σ= 15

Q: The weight of new born babies is normally distributed with a mean of 3.5Kg and a standard deviation…

A:

Q: Find the proportion of Normally distributed observations with a zz-score above 0.84. Give your…

A: Let Z be the random variable from normal distribution with z-score above 0.84 then we will find the…

Q: The weights of 10-pound bags of potatoes packaged by Idaho Farms Inc. are uniformly distributed…

A: Given : The weights of 10-pound bags of potatoes packaged by Idaho Farms Inc. are uniformly…

Q: The mean weight of 1000 students at a certain high school is 140 pounds and the variance is 100…

A:

Q: The heights of 5-year-old children are approximately normally distributed with average height of…

A: Given information: The heights of 5-year-old children are approximately normally distributed.…

Q: The amount of coffee dispensed by a coffee dispensing machine is normally distributed with mean of…

A: Solution-: Let, X= The amount of coffee dispensed by a coffee dispensing machine Given: We find,…

Q: Assume the mean height of soldiers to be 68.22 inches with a variance of 0.8 inches. How many…

A:

Q: If the industry has an average cash deposit of 2100, which bank is performing better? Which bank is…

A: For the provided data, the appropriate visual representation is the Line Graph. The distribution of…

Q: Steel rods are manufactured with a mean length of 25 centimeters (cm). Because of the variability in…

A: Given, Steel rod length are normally distributed with mean 25 cm and standard deviation 0.07.

Q: The length of an injection- molded plastic case that holds magnetic tape is normally distributed…

A:

Q: The mean weight of 500 male students at a certain college is 151 lb and the standard deviation is IS…

A:

Q: What formula is used to gain information about a sample mean when the variable is normally…

A: Sample size: It is the number of observations in a sample under consideration. By increasing the…

Q: As the sample size increases, the variability among the sample means increases decreases remains the…

A: Concept: Variability in a data represent how dispersed data is from its mean.

Q: The mean of normal distribution probably is 400 pound and SD is 10 pound what is the area 415 pound…

A: In this context, the mean of normal distribution probably is 400 pound and SD is 10 pound. Here, we…

Q: If the weights are normally distributed, what is the z-score with a weight of 63?

A: Given Information:Mean, μ=70 kgStandard Deviation, σ=6 kg

Q: The mean weight of 500 male students at a certain college is 151 lb and the standard deviation is 15…

A:

Q: The heights of women in a particular community are normally distributed with a mean of 65 inches and…

A: We have to find given proportion..

Q: How long of wingspan does the shortest 15% of butterflies have and you know that their wingspans are…

A: Solution: Let X be the wingspan. From the given information, X follows normal distribution with mean…

Q: Assume that the heights of women are normally distributed with a mean of 65.4 inches and a standard…

A: We have given that  Mean=μ=65.4 Standard deviation=σ=2.7 X~Normal(μ=65.4,σ=2.7)

Q: kes of cereal shows a sample standard deviation of .16 ounces. x = .05, the population variance…

A: Given that,  Hypothesized population variance =σ2=0.02 Sample size =n=41 Sample standard…

Q: The time that a customer takes to complete a transaction in a business line at the bank follows a…

A: Given data,Mean μ=5.4sd    σ=1.7How many minutes will 20% of the customers spend completing a…

Q: What formula is used to gain information about an individual data value when the variable is…

A: Solution: 6. Let X be the random variable. From the given information, X is normally distributed.

Q: The average birth weight for for a full term baby in Canada is 8 Ibs with a standard deviation of 1…

A: Let X denote the birth weight for a full term baby. Given that X follows N(mean = 8, SD = 1), then Z…

Q: A lightbulb is advertised as lasting 1000 hours with a standard deviation of 150 hours. Assume the…

A: It is given that the mean and standard deviation are 1,000 and 150, respectively.

Q: after 4 days. How far in terms of the standard deviation from the mean is the healing rate of the…

A: here from given information  μ = 6.7 daysσ = 0.8 days   here healing rates of wounds are normally…

Q: The mean weight of apples is 10 kg and the standard deviation is 2 normally distributed, determine…

A: mean = 10 standard deviation = 2.6

Q: During 1 week an overnight delivery company found that the weights of its parcels were normally 20oz…

A: According to the given information, During 1 week of an overnight delivery company found that weight…

Q: At ? = 0.10, can it be concluded that there is a difference in means of hours spent for studying…

A: When we assumed population variances are unequal then the two sample t- test formula is defined as…

Q: normally distributed

A: Let X be the random variable representing the weight of students. Given that X is normally…

Q: Rick took a test that is known to produce normally distributed grades with a mean of 72 and a SD of…

A:

Q: The foreman at a large plant estimates that there are defective parts about 1% of the time.  If the…

A: It is given that n =20,000 and p = 0.01.

Q: a random sample, this most likely made the data more accurate, but not precise O precise, but not…

A: 1):   Precise but not accurate  Explanation: In a high precision, low accuracy case study, the…

Q: The heart rate of humans are normally distributed with a mean of 90.3 bpm and std. dev. of 7.3 bpm.…

A:

Q: (a) Determine the mean and variance of the coating thickness. (b) If the coating costs $0.50 per…

A:

Q: is 32, the estimate of the variance of the model errors is

A: Given: multiple regression model with no of regressors k=3 and sample size n=20  also error sum of…

Q: The mean weight of 500 male students in a certain college is 151 lbs. and the standard deviation is…

A:

Q: The length of an injection- molded plastic case that holds magnetic tape is normally distributed…

A:

Q: Does the data need to be normally distributed for a t-test to work?

A: We have to explain that for t test data need to be be normally distributed or not

Q: Use the normal distribution of heights of adult​ women, which has a mean of 167 centimeters and a…

A: Note: Hi there! Thank you for posting the question. As the table of standard scores and percentile…

Q: • The mean weight of 500 male students in a certain college is 151 lb. and the standard deviation is…

A:

Q: The time needed to find a parking space is normally distributed with a mean of 20 minutes and a…

A: 90% of the time, it takes less than  26.63 minutes to find a parking space. Explanation is given…

Q: The mean weight of 500 male students at a certain college is 151 lb and the standard deviation is 15…

A:

Q: Based on the computed descriptive statistics, compare the two distributions in terms of their…

A: Given Information: Male students: Mean = 1.457143 Population standard deviation = 0.1628 Sample…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.