120 110 100 90 80 70 0.0 0.5 1.0 Sample -1.0 -2.0 O O 60 -1.5 O O Scatterplot for average O 80 -1.0 O 100 -0.5 Body Weight (kg) O Q-Q Plot O 120 0.0 0.5 Theoretical Quantiles O 1.0 T 140 1.5 O stdres 0.0 0.5 1.0 -1.0 -2.0 stdres 1.0 0.5 -0.5 0.0 -1.0 -2.0 -1.5 Std residuals versus explanatory variable O 60 O 80 O 80 O O 90 Body Weight (kg) Std residuals versus fits O 100 O T 100 fits O 120 110 120 140 O T 130

n 1.23 2.46 3.97 5.59 Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years. Determine the quartiles. 0.14 1.43 2.75 4.24 0.25 1.86 2.95 4.65 0.57 1.97 3.06 5.12 1.02 2.22 3.47 5.26 What are the quartiles? Q₁ (Round to three decimal places as needed.)

Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts​ (a) through​ (c) below.      ​Tinterval (13.046,22.15) x=17.598 Sx=16.01712719 n=50

The population data of the Philippines from 2015 to 2021 is given in the table below. Find the population in the years 2016, 2018 and 2020 using Newton’s Divided Difference Interpolation.  Look for the actual data on these years and verify if they conform with your calculation.

State whether the quantity we can obtain/calculate from the given information is astatistic or parameter. Identify/calculate and express the value being sought using thecorrect notation (e.g. μ = 4). Pay close attention to whether you are given informationon a sample or the population.  a) Mean number of cell phone calls made or received per day by cell phone users. Ina survey of 1,917 cell phone users, the mean was 13.10 phone calls a day. b) Proportion of US adults who own a cell phone. In a survey of 1,006 US adults in2014, 90% said they had a cell phone. c) Proportion of families in the US who were homeless in 2010. The number of home-less families in 2010 was about 170,000 while the total number of families is given in the US is 78 million. d) Average enrollment in charter schools in Illinois. In 2014, there were 148 charterschools in the state of Illinois and the total number of students attending the charterschools was 59,388. e) Correlation between age and heart rate for…

The accompanying table shows eleven altitudes (in thousands of feet) and the speeds of sound (in feet per second) at these altitudes. Complete parts (a) through (d) below. Click here to view the data table. Click here to view the table of critical values for the Pearson corelation coefficient.

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Calculate the Chi-square following instructions either in Excel or Google sheets

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