1. The table below shows the data on temperature (℉) reached on a given day and...

1. The table below shows the data on temperature (℉) reached on a given day and the number of cans of soft drinks sold from a particular vending machine in front of a grocery store. Temperature 70 75 80 90 93 98 72 75 95 98 91 83 Quantity 30 31 40 52 57 59 33 38 45 53 62 45 a. Draw a scatterplot for the data. b. Compute the least squares regression line ?̂. c. Interpret the slope and y-intercept if appropriate. d. Compute the linear correlation coefficient ? between temperature and the number of soft drinks sold. Does a linear relation exist between temperature and the number of soft drinks sold? e. How many cans of soft drinks can be sold at a temperature of 62℉? Round your answer to the nearest can.

Expert Solution

milcah answered 2 days ago

A table shows a temperature in a given day and number of trafic accidents in a...

A table shows a temperature in a given day and number of trafic accidents in a small city in the period of 7 days. Temperature ( °C)... x 32 13 24 20 10 4 36 # of accidents ...y 7 4 9 11 3 5 8 Find a correlation coefficient r, round it to 4 decimal places. Describe the direction and strength of this association: ………………………… Find the equation of regression line. Sketch it graphically, find/display values of both x-...

1. Use the data given in the table below to construct a temperature-composition diagram for cyclohexane...

1. Use the data given in the table below to construct a temperature-composition diagram for cyclohexane toluene mixture (see p. 134 in the textbook for an example of such plot). Based on your plot, what is the composition of the distillate obtained by simple distillation of 20 mole percent cyclohexane and 80 mole percent toluene? Show your work on the plot (submit your plot). T ⁰C Mol % Cyclohexane Liquid Mol % Cyclohexane Vapor 110.7 0 0 108.3 4.1 10.2...

The table below shows the number of students absent on the particular day of the week:...

The table below shows the number of students absent on the particular day of the week: Day M Tu W Th F Number 111 80 85 94 99 Test if the distribution of students absent is uniform through the week with the significance level of 5%.

The data in the table below shows the ages of a group of people in a...

The data in the table below shows the ages of a group of people in a certain community. 47 31 42 33 58 51 25 28 62 29 65 46 51 30 43 72 73 37 29 39 53 61 52 35 a. Construct an ordered stem-and-leaf diagram to represent the above data set. b. Find the mean of the bonuses. c. Find the median of the bonuses. d. Find the mean absolute deviation. e. Find the variance and standard...

Exercise 1. Defense and wins. The data in the table below shows the wining percentage and...

Exercise 1. Defense and wins. The data in the table below shows the wining percentage and the yards per game allowed in the 2014-15 season for a random sampling of teams. At α = 0.05, can you support the claim that there is a correlation between the winning percentage and the yards allowed? Team Winning percentage Total yards Baltimore Ravens 0.625 336.9 Cleveland Browns 0.438 366.1 Denver Broncos 0.750 305.2 Jacksonville Jaguars 0.188 370.8 New England Patriots 0.750 344.1 Oakland...

experiment 1 data sheet Table 1: Temperature and Volume Data Temperature Conditions Temperature (ºC) Temperature (K)...

experiment 1 data sheet Table 1: Temperature and Volume Data Temperature Conditions Temperature (ºC) Temperature (K) Volume (mL) Room Temperature 26 C 299.15 1 Hot Water 70 C 345.15 2.69 Ice Water 2 C 275.15 .077 Post-Lab Questions Use a pencil and graph paper to create a graph of temperature and volume data. Place temperature on the x-axis (in Kelvin) and volume (mL) on the y-axis. You can also use a graphing program to create your graph. Attach the graph...

Table 1 given below shows the number of labor hours required to produce 1 bushel of...

Table 1 given below shows the number of labor hours required to produce 1 bushel of wheat and 1 ton of iron in Russia and North Korea. Table 1 Labor hours to make: In North Korea In Russia 1 bushel of wheat 4 1 1 ton of iron 10 5 You make several Ricardian assumptions: these are the only two commodities, the productivity of labor is constant for each product no matter how much is produced, and competition prevails in...

The following table gives temperature data in *C as a function of time of day and day of the week at a specific location.

The following table gives temperature data in *C as a function of time of day and day of the week at a specific location. Data are missing for the entries marked with a question mark (?). Use linear interpolation with MATLAB to estimate the temperature at the missing points.

Table below shows a relationship between the temperature and number of traffic accidents in small town...

Table below shows a relationship between the temperature and number of traffic accidents in small town for a sample of 7 different days. [4+2+4+2=12pts] Temperature (in Celsius degrees )... x 32 13 24 20 10 4 36 # of traffic accidents ...y 7 4 9 11 3 5 8 Find a correlation coefficient r, round it to 4 decimal places. Describe the direction and strength of this association: ………………………… Find the equation of regression line. Sketch it graphically, find/display values of both...

The table below shows pairs of body temperature at 8 AM and 12 AM. Use a...

The table below shows pairs of body temperature at 8 AM and 12 AM. Use a 0.05 significance test the claim that the mean difference between body temperature measured at 8 AM and 12 AM is zero 8 AM 96.6 97.0 97.0 97.8 97.0 97.4 96.6 Noon 99.0 98.4 98.0 98.6 98.5 98.9 98.4 Critical Values: z0.005 = 2.575, z0.01 = 2.325, z0.025 = 1.96, z0.05 = 1.645 When d.f.=6: t0.005 = 3.707, t0.01 = 3.143, t0.025 = 2.447, t0.05 =...

Question