the following table shows 4 rows from a frequency distribution table for a sample of n=50 scores. Use interpolation to find the percentiles and percentile ranks requested.  x   15 14 13 12  f    5   8   6   4 cf  32 27 19 13 c% 64 54 38 26   what is the percentile rank for x = 13 what is the percentile rank fro x = 15 what is the 50th percentile  what is the 60th percentile

Question

the following table shows 4 rows from a frequency distribution table for a sample of n=50 scores. Use interpolation to find the percentiles and percentile ranks requested. 

x   15 14 13 12 

f    5   8   6   4

cf  32 27 19 13

c% 64 54 38 26

 

what is the percentile rank for x = 13

what is the percentile rank fro x = 15

what is the 50th percentile 

what is the 60th percentile

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Other

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: In Exercises 6–10, assume that women have diastolic blood pressure measures that are normally distri...

A: The probability that a randomly selected woman has a diastolic blood pressure level between 60 mm Hg...

Q: Newspapers Media experts claim that daily print newspapers are declining because of Internet access....

A: Median:Arrange the data in the ascending order.1382, 1387, 1408, 1422, 1437, 1452, 1456, 1457, 1457,...

Q: Self-Driving Vehicles In a survey of adults, subjects were asked if they felt comfortable being in a...

A: The graph given in the problem is constructed with the non-zero vertical axis in order to exaggerate...

Q: In the following problem, check that it is appropriate to use the normal approximation to the binomi...

A: Hey there! Thank you for posting the question. However, since your question has more than 3 sub part...

Q: Sample Size for Proportion Find the sample size required to estimate the percentage of college stude...

A: Given: Confidence Interval = 95%, Margin of Error = 4%

Q: Conclusion If we analyze the listed body temperatures with suitable methods of statistics, we conclu...

A: Statistical significance:In the study, when the result obtained is unlikely to occur just by chance ...

Q: Sample Size. In Exercises 29–36, find the sample size required to estimate the population mean.  Mea...

A: The sample size is obtained as follows:

Q: Police response time to an emergency call is the difference between the time the call is first recei...

A: Consider X be a random variable which follows normal distribution indicating the police response tim...

Q: A data set consists of 83 observations. How many classes would you recommend for a frequency distrib...

A: Selection of number of classes:“2 to the k rule” suggests that the number of classes is the smallest...

Q: Interpreting a Graph The accompanying graph plots the numbers of points scored in each Super Bowl to...

A: From the given graph, it can be observed that the points are scattered without showing any pattern.

Q: The Q1 is 23.5. and Q3 is 31.1

A: (f)Coefficient of variation for original river’s data:

Q: How do you find the P-value using ti-84 calculator? df=7 , M>98.6 , n=8 , t=2.428

A: It is given that the t value 2.428 and df is 7.

Q: Good Sample? Given the sequence of data, if we fail to reject randomness, does it follow that the sa...

A: Here, if failed to reject the randomness, then the data is selected at random.

Q: Speed Dating In a study of speed dating conducted at Columbia University, female subjects were asked...

A: The claim is that the sample is from a population with a median equal to 5 is the null hypothesis. T...

Q: In Exercises 6–10, assume that women have diastolic blood pressure measures that are normally distri...

A: From the given information,Let x be a random variable that represents the diastolic Blood Pressure w...

Q: Regression If the methods of this section are used with paired sample data, and the conclusion is th...

A: The methods used in the section 10-3 are using technology to find the regression equation and using ...

Q: Conclusion Given the body temperatures in the table, what issue can be addressed by conducting a sta...

A: According to the given table, each column shows a subject for which temperature is recorded at two d...

Q: Exacta In a horse race, an exacta bet is won by correctly selecting the horses that finish first and...

A: Permutations rule:There are n different items and r number of selections. If the selections are made...

Q: In a completely randomized design,  12 experimental units were used for the first treatment  15 for ...

A: Given ANOVA Table

Q: The ages of a sample of Canadian tourists flying from Toronto to Hong Kong were 32, 21, 60, 47, 54, ...

A: Given that,32 21 60 47 54 17 72 55 33 41

Q: Tornadoes  During a recent 64-year period, New Mexico had a total of 153 tornadoes that measured 1 o...

A: Click to see the answer

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the ind...

A: The value of P(x ≥ 30) is 0.1711, which is obtained below:

Q: Testing for Median Weight of Quarters Refer to Data Set 29 “Coin Weights” in Appendix B for the weig...

A: The claim that the median is equal to 5.670 g is null hypothesis. Thus, the alternative hypothesis i...

Q: Context of the Data Refer to the table of body temperatures. Is there some meaningful way in which e...

A: According to the given table, each column shows a subject for which temperature is recorded at two d...

Q: Normal Distributions What is the difference between a standard normal distribution and a nonstandard...

A: The difference between a standard normal distribution and a non-standard distribution is that the st...

Q: Analysis of Last Digits Weights of respondents were recorded as part of the California Health Interv...

A: Steps to obtain the frequency distribution for weights of respondents:Step 1: From the data, “last d...

Q: Peas in a Pod Biologists conducted experiments to determine whether a deficiency of carbon dioxide i...

A: In this case we need to find the range, variance and standard deviation for the phenotype of peas.

Q: Hurricanes Listed below are the numbers of Atlantic hurricanes that occurred in each year. The data ...

A: Solution: We have to determine the important feature of the data that is not revealed by any of the ...

Q: Sample Size. In Exercises 29–36, find the sample size required to estimate the population mean.  Mea...

A: (a)Range:The formula for  range is,Range=L–SSubstitute 104 for L and 40 for S.Then,

Q: The data below are the monthly average high temperatures for New York City. What is the five-number ...

A: Five number summary of a dataset:The five number summary of any dataset contains the values of minim...

Q: California Smokers In the California Health Interview Survey, randomly selected adults are interview...

A: Measures of variation:The measures of variation are range, variance, and standard deviationRange:Ran...

Q: Back Pain Treatment In a study designed to test the effectiveness of paracetamol (or acetaminophen) ...

A: In an experiment, some treatments are applied to individuals to observe their behaviour. The two imp...

Q: Job Stress and Income Listed below are job stress scores and median annual salaries (thousands of do...

A: The claim that there is a correlation between job stress and annual income is the alternative hypoth...

Q: Quality Control After constructing a new manufacturing machine, five prototype integrated circuit ch...

A: Click to see the answer

Q: Odd and Even Digits in Pi A New York Times article about the calculation of decimal places of π note...

A: Click to see the answer

Q: Black Cars Use subjective probability to estimate the probability of randomly selecting a car and ge...

A: In this context, the information about the colors of cars is not provided. So, consider as given bel...

Q: Parking Meter Theft Listed below are amounts (in millions of dollars) collected from parking meters ...

A: Mean for the brinks:

Q: To study the effect of temperature on yeild in a chemical process, fuve batched were produced at eac...

A: Given data:

Q: Finding Confidence Intervals. In Exercise assume that each sample is a simple random sample obtained...

A: The value of mean is obtained below:

Q: In the following problem, check that it is appropriate to use the normal approximation to the binomi...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: In Exercises 21–24, assume that when adults with smartphones are randomly selected, 54% use them in ...

A: Define the random variable x as the number of adults who use their smartphones during meetings or cl...

Q: The following data are from an experiment designed to investigate the perception of corporate ethica...

A: According to the provided data, three groups (management, research and advertising) are considered t...

Q: Weighted Mean A student of the author earned grades of 63, 91, 88, 84, and 79 on her five regular st...

A: The formula for the weighted mean is,

Q: Annual Incomes Annual incomes are known to have a distribution that is skewed to the right instead o...

A: For sample mean, normal distribution works well when n > 25 or 30 for moderately skewed distribut...

Q: According to U.S. climate data, the monthly average high temperatures, in degrees Fahrenheit, for th...

A: Five number summary of a dataset:The five number summary of any dataset contains the values of minim...

Q: Blood Pressure Medication. A medical researcher wants to determine factors that affect a patient’s r...

A: a.The study is mainly focused on the reduction of patient’s blood pressure. Thus, the response varia...

Q: Reported Versus Measured In a survey of 1046 adults conducted by Bradley Corporation, subjects were ...

A: (a)Sample:Sample is the subset of the subjects chosen from the whole population.The given survey is ...

Q: Thickness measurements of ancient prehistoric Native American pot shards discovered in a Hopi villag...

A: a)The thickness measurements follow normal distribution with mean 5.4 mm and standard deviation 0.8m...

Q: Binomial Probability Formula. In Exercises 13 and 14, answer the questions designed to help understa...

A: Click to see the answer