27. Gold Reserves The data show the gold reserves for a recent year for 11 world countries. Find the first and third quartiles and the IQR. The data are in millions of troy ounces. 33.9 78.3 108.9 17.9 78.8 24.6 19.7 33.3 33.4 10.0 261.5

Calculate the 25th percentile of the data shown x 1.8 2.3 6.7 11.3 16.7 25.2 26.9 27.9 I need help

Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 86 10 83 10 98 10 98 40 89 30

find out first and third quartile for given data.. 74,52,45,27,85,96,65,64,9,85,23

Eye Color f % Amber 5 4.81% Blue 8 7.69% Brown 82 78.85% Gray 3 2.88% Green 2 1.92% Hazel 3 2.88% Red/Violet 1 0.96% Total 104 100.00%   Comment on your finding

R A veterinarian recorded how many kittens were born in each litter. This data is summarized in the L histogram below. (Note: The last class actually represents "7 or more kittens," not just 7 kittens.) 14 12 10- 8- 6- 4 1 2 3 4 7 8 # of kittens What is the frequency of litters having at most 3 kittens? ans = Fe Ro 1 FEB 18 P. W MacBook Air 20 000 esc F5 F6 F2 F3 F4 F1 & ! @ 1 2 4 5 Q W R %24 # 3 6 2. Frequency

Draw anything that represents the position, Be in decile, quartile, and percentile.

The number of countries shown in this bar chart where the rate of rapes is below 10 for every 100,000 is Rape at the national level, number of police-recorded 70 offences (rate/100,000)- United nations (2012) 60 50 40 30 20 10 66.5 34.1 33.0 29.8 29.6 27.6 Jamaica Bolivia Sweden 26.6 24.9 22.3 Belgium USA 18.7 Costa Rica 1.7 1.6 1.5 Finland Source: United nations office on drugs and crime "CTS2013 SexualViolence.xls" 1.4 Hong Kong Slovakia Norway 1.0 0.9 8. 0.9 0.7 Japan UAE Greece 18 Canada Serbia 10 Indonesia New Zealand Brazil

Please refer to the picture attached.