2.38 Cheek teeth of extinct primates. Refer to the American D Journal of Physical Anthropology (Vol. 142, 2010) study MOLARS of the characteristics of cheek teeth (e.g., molars) in an extinct primate species, Exercise 2.9 (p. 38). In addition to degree of wear, the researchers recorded the dentary depth of molars (in millimeters) for 18 cheek teeth ex- tracted from skulls. These depth measurements are listed in the accompanying table. Summarize the data graphically with a stem-and-leaf display. Is there a particular molar depth that occurs more frequently in the sample? Data on Dentary Depth (mm) of Molars 18.12 16.55 19.48 15.70 19.36 17.83 15.94 13.25 15.83 16.12 19.70 18.13 15.76 14.02 17.00 14.04 13.96 16.20 Based on Boyer, D. M., Evans, A. R., and Jernvall, J. "Evidence of dietary differentiation among late Paleocene-early Eocene Plesiadapids (Mammalia, primates)." American Journal of Physical Anthropology, Vol. 142, 2010 (Table A3).

The length of fish were measured at 3 different lakes.  Is there evidence to suggest that the average length is not the same at all 3 locations? Lake 1:  3.5, 4.2, 6.1, 5.2 Lake 2: 3.1, 3.2, 4.3, 2.1 Lake 3: 5.6, 7.1, 4.4, 4.1, 6.2 Enter the p-value (to 4 decimal places)

What is the IQR for the following box-and-whisker data: Min = 154, LQ = 180, Med = 197.5, UQ = 211, Max = 265 O a. 26 O b. 43.5 O c. 111 O d. 31

Part d+e+f+g

Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: Friday the 13th: 10 10 13 11 13 69 11

The level of dissolved oxygen in a river indicates the water’s ability to support aquatic life. A research project is started to determine if the oxygen levels in the river have changed. A study done 10 years prior, showed that the mean oxygen levels in milligrams per liter for the river was 4.3. A.) Write appropriate hypotheses for this test B.) Water is collected samples from 15 randomly chosen locations along the river and measured the dissolved oxygen. Construct and interpret a 95% confidence interval for the mean dissolved oxygen level for this stream. The results are in milligrams per liter:  4.53 5.5 4.01 5.04 4.83 4.66 3.29 4.4 2.87 5.23 5.42 5.73 4.13 6.38 5.55 C.) Based on the sample from part B, conduct a significance test of these results using a 5% significance level. Give complete results of the test including a p-value and what the results means.

Please share a PDF file of solutions.??

Need help. Will give thumbs up! Data typed below and attached as an image. TSERofReturn AcmeRofReturn -1.99167 -1.03712 2.64815 3.04528 -0.58856 0.44802 -0.76395 0.60781 -0.81178 2.51735 -0.14212 1.70972 0.17677 -0.27609 0.54349 1.18672 -0.09428 0.49632 0.3681 -3.08347 0.60727 1.4182 1.3726 0.1878 -0.8915 -1.81699 1.8031 0.975 -0.26967 1.85853 2.42493 2.33005 -0.95528 -0.48742 -0.28562 -0.15591 -2.13517 -1.67924 -0.85961 1.57905 1.0856 -4.09194 -1.06689 -0.43368 0.04922 1.22281 3.2381 -0.55675 1.05371 -0.23124 -1.1785 -5.10525 1.11749 0.5909 -0.01456 1.70857 1.13344 0.93883 2.6641 0.92507 -1.33795 0.9294 -1.65683 -1.93668 -2.21489 -5.10648 -1.19445 0.47456 -0.461 0.19373 0.6551 -0.44915 1.5161 -1.11084 3.42943 2.58471 -0.3175 1.17337 -0.47695…

Tall Dutch Men: Part A Use a z-table such as https://www.math.arizona.edu/~rsims/ma464/standardnormaltable.pdf or an online calculator such as  http://onlinestatbook.com/2/calculators/normal_dist.html to answer the following question: Dutch men are famously perceived as being tall.  In a 2014 survey it was found that the mean adult male height in the Netherlands was 182.5 cm with a standard deviation of 7.4 cm and that the heights followed a normal distribution. What proportion of the population of adult males in the Netherlands would be between the heights of 178.8 cm and 186.2 cm?  Express your answer as a percentage rounded off to 1 decimal place.   Tall Dutch Men: Part B Which of the following normal distribution curves would best represent the probability calculated in the previous question?     normal distribution a     normal distribution b     normal distribution c     normal distribution d      normal distribution e    normal distribution f…

Tall Dutch Men: Part A Use a z-table such as https://www.math.arizona.edu/~rsims/ma464/standardnormaltable.pdf or an online calculator such as  http://onlinestatbook.com/2/calculators/normal_dist.html to answer the following question: Dutch men are famously perceived as being tall.  In a 2014 survey it was found that the mean adult male height in the Netherlands was 182.5 cm with a standard deviation of 7.4 cm and that the heights followed a normal distribution. What proportion of the population of adult males in the Netherlands would be between the heights of 178.8 cm and 193.6 cm?  Express your answer as a percentage rounded off to 1 decimal place.  Tall Dutch Men: Part C Use a z-table such as https://www.math.arizona.edu/~rsims/ma464/standardnormaltable.pdf to answer the following question: Dutch men are famously perceived as being tall.  In a 2014 survey it was found that the mean adult male height in the Netherlands was 182.5 cm with a standard deviation of 7.4 cm and that the…