The data represents the heights of eruptions by a geyser.←Use the heights to construct a stem and leaf plot. Is there strong evidence suggesting that thedata are not from a population having a normal distribution?Which plot represents a correct stem and leaf plot of the data?O A.91010 0 1 3 68911003412 0 0 113 0 0 0 114 015 0OB.9/0ⒸA. 6B. 1OC. 4OD. 510 0 1110000112 03 6 8913 0 0 3 414 0115 0O C.9|00110 0 1811 0 0 312 0 0 913 0 0 614 03415 0 1If there were a 200 foot eruption, how many stems would it add to the chart above?SaveHeight of eruption (in.)128 90 110 150140 110 100 130110 123 134 111110 126 129 120133 130 101 141wwIncor

Given that The data represents the heights of eruptions by a geyser. Height of eruption (in)…

Answered: ← The data represents the heights of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the bone density test scores that can be used as cutoff values separating the lowest 10% and highest 10%, indicating levels that are too low or too high, respectively. Sketch the region containing the lowest 10% and highest 10%. Choose the correct graph below. OA. -Za Za Q The bone density scores are ☐ OB. -Za Za (Use a comma to separate answers as needed. Round to two decimal places as needed.) ○ C. Q Za -Za D. Q a G Za -Za
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the bone density test scores that can be used as cutoff values separating the lowest 6% and highest 6%, indicating levels that are too low or too high, respectively. Sketch the region containing the lowest 6% and highest 6%. Choose the correct graph below. O A. Za Za E OB. The bone density scores are (Use a comma to separate answers as needed. Round to two decimal places as needed.) Za Za OD. Za Za ♫
What can histograms be compared to in order to determine if a data set has a normal distribution? O Normal distribution curve and quantile graph Quantile graph O Normal distribution curve O Linear function curve earch 73°F Clear F3 F4 FS F6 F7 B0 F8 F9 F10 ゴ+ F11 F12 Prt Sc Insert %23 %24 & 大 4 8 9 E R Y P D K く Alt Ctri
A sample of human brain volumes (cm³) is given below. Use the given data values to identify the corresponding z scores that are used for a normal quantile plot, then identify the coordinates of each point in the normal quantile plot. Construct the normal quantile plot, then determine whether the data appear to be from a population with a normal distribution. 1075 O A. List the z scores for the normal quantile plot. 10 (Round to two decimal places as needed. Use ascending order.) O C. z score z score 321 Identify the coordinates of each point in the normal quantile plot. Use ordered pairs of the form (x,y), where x is the sorted human brain volumes, and y is the corresponding z score. ☐☐☐☐☐☐☐☐ (Type ordered pairs. Round to two decimal places as needed. Use ascending order.) Construct the normal quantile plot. -2- -3- 900 1077 WARU 957 -2- -3+ 900 1026 X Values X Values 1077 1500 1500 Q Q OB. O D. 1443 z score z score Do the data appear to come from a normally distributed population? ܚ ܝ…
Exhibit 11-3 The contents of a sample of 26 cans of apple juice showed a standard deviation of 0.06 ounce. We are interested in testing to determine whether the variance of the population is significantly more than .003. Refer to Exhibit 11-3. The p-value for this test is a) .05 b) greater than .10 c) less than .10 d) 1.96
Which statement is true about a normal distribution? O Knowing a data set is normal has no importance in the mathematical and scientific community. O Knowing a data set is normal is only important in producing nicely shaped graphs. O None of the answers listed O Knowing a data set is normal is important in the mathematical and scientific community. 77°F S rch
Assuming that the data are normally distributed, a. Determine the z-score such that the area to its right is 18%. z= b. Determine the z-score such that the area to its left is 91%. z=
A report on weekly grocery expenditures of Morehead State University claimed that the mean expenditure, for the students living off campus, was $65.00 with a standard deviation of $30 (That is, μ = 65 and σ = 30). A random sample of 36 MSU students shows a Sample Mean of $87 (x=87) and a standard deviation of 24 (S =24) on the weekly grocery expenditures of this sample of MSU students: Construct a 99% confidence interval for the value of the mean, by relying on the sample mean, but when you DO KNOW the value of the population standard deviation (which was 30). Assuming you have no knowledge of the population mean and standard deviation (that is, you are relying solely on your sample data), construct a 90% confidence interval for the value of the MSU students’ mean grocery expenditures based on the above sample’s information.(xand s). Given the information above regarding your sample values [ Remember, we said:, A random sample of 36 MSU students shows a Sample…
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P9, the 9th percentile. This is the bone density score separating the bottom 9% from the top 91%. Which graph represents P9? Choose the correct graph below.
Use a calculator or computer software to generate a normal quantile plot for the data in the accompanying table. Then determine whether the data come from a normally distributed population. Click the icon to view the data set. Generate a normal quantile plot for the data. Choose the correct graph below. OA. 3.00 2.00- 1.00- 0.00- -1.00- Q Q -2.00 -3.00 100 200 300 400 500 0 X Value OB. 3.00 2.00- 1.00- 0.00- -1.00- -2.00- -3.00- ... 0 100 200 300 400 500 X Value Q Q G O C. 3.00 2.00 P 1.00 0.00- -1.00- -2.00- 0 100 200 300 400 500 X Value -3.00+ Determine whether the data come from a normally distributed population. Choose the correct answer below. OA. The distribution is not normal. The points are not reasonably close to a straight line. OB. The distribution is normal. The points show a systematic pattern that is not a straight-line pattern. OC. The distribution is not normal. The points show a systematic pattern that is not a straight-line pattern. OD. The distribution is normal. The…
The distribution of male height (X) in the US is known to be normally distributed with mean of about 70 inches and variance of 25 inches. What is the IQR? (hint: think about what the IQR represents in a boxplot with regard to percentiles). The z tables can be found at the bottom of the written portion of the exam or at the end of Lecture Note 10. a.) 5.0 b.) 9.0 c.) 7.3 d.) 10.0 e.) 6.7
Assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score between 1.83 and 1.83. Sketch the region. Choose the correct graph below. O A. -1.83 1.83 B. -1.83 *** 1.83 O C. -1.83 1.83 O D. -1.83 1.83

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