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The first, second, and third component of the “price
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- Grade points are assigned such that an A receives 4 points, a B receives 3 points, a C receives 2 points, a D receives 1 point, and a F receives 0 points. Grades are weighted according to credit hours (units). If a student receives an A in a four-unit class, a D in a two-unit class, a B in a three-unit class and a C in a three-unit class, what is the student's grade point average? O A. 2.75 O B. 1.75 O C. 3.00 O D. 2.50 Click to select your answer. DELL XXX EVD disc RW DELLarrow_forwardThe following data are the daily round-trip distances to school (in miles) for 30 randomly dhosen students attending a community college in Califormia. Construct a stem-and-leaf display for the given data in the accompanying table. Treat the ones digit as the leaves. For any single digit data, use a stem of 0. E Click the icon to view the data table Construct a stem-and-leaf display for the given data. (Use a comma to separate answers as needed.) %3D i Data Table Full data set O 29 13 21 8. 17 33 10 41 16 20 8. 17 29 17 39 11 15 7. 11 27 8. 10 24 11 38 11 | Print Done Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer search %23arrow_forwardWhich of the following could most be considered an ordinal variable? a. Height (ft) b. Weight (kg) c. Body mass index (kg/m2) d. Education level e. Annual Income ($)arrow_forward
- Consider the following statistics for a tennis player: Name: Vance McFarland age: 28 height: 191 cm country: ireland tournament wins: 14 average serving speed: 185 km h-1 ranking: 6 career prize money 3720000 euros classify each variable as categorical, discrete or continuous. must show all work or reasoning.arrow_forwardThe pairs of observations in the following material tell how many convenience stores in a city have been robbed during the year and how far that convenience store is from the nearest police station. Material: Distance (km) Robberies (pcs)5.8 40.2 212.3 93.7 41.4 39.5 915.0 117.7 6 Question: We want to know if the number of robberies is related to the distance of the convenience store from the nearest police station.(a) What hypothesis should be tested? Clearly formulate both the null and counter hypothesis and verbally explain their interpretation.(b) Test the hypothesis you just formed at the 5% significance level.(c) Repeat (b) at the 1% significance level. In the assignments, you must not use the ready-made function of the R software or other software for linear regression, i.e. the assignments must be solved using…arrow_forwardA nurse recorded the pain level of a sample of patients being treated for the same illness. Pain levels were recorded using one of the following: No pain, minor pain, moderate pain, severe pain. What terms can be used to classify the variable of interest in this study? OA. Categorical - Ordinal OB. Categorical - Nominal OC. Numeric - Discrete OD. Numeric - Continuousarrow_forward
- The mean and S.D. of income of 50 men are Rs. 3200 and Rs. 525 respectively The same for 40 women are Rs. 2,850 and Rs. 460 respectively. Find the S.D. of income for the combined group.arrow_forwardReliable Furniture is a family business that has been selling to retail customers in the Oakville area for many years. It advertises extensively on radio and TV, emphasizing their its prices and easy credit terms. The owner would like to review the relationship between sales and the amount spent on advertising. Below is information on sales and advertising expense for the last four months. Ad Exp. Sales Rev. Month ($ in 000) ($ in 000) July 2 7 August 1 3 September 3 8 October 4 10 G-9 B continued Questions from G-9 e) Reproduce the excel output manually. f) Interpret the strength of the correlation coefficient. g) Determine the coefficient of determination. Interpret. h) Test the significance of the Coefficient of Correlation i) Test the significance of the slope coefficients of the regression equation.arrow_forwardReliable Furniture is a family business that has been selling to retail customers in the Oakville area for many years. It advertises extensively on radio and TV, emphasizing their its prices and easy credit terms. The owner would like to review the relationship between sales and the amount spent on advertising. Below is information on sales and advertising expense for the last four months. Ad Exp. Sales Rev. Month ($ in 000) ($ in 000) July 2 7 August 1 3 September 3 8 October 4 10 a) Determine the regression equation. b) Interpret the values of a and b. c) Estimate sales when $3 thousand is spent on advertising. Include the 95% confidence interval for average X d) Determine the coefficient of correlation.arrow_forward
- In(GPA) = Bo + Buwagen + Baln(duration,) + Brhome_office, + The table below shows the STATA output of the regression estimated using OLS. reg 1n_GPA wage ln_duration home office Source Total Ln_GPA Model 20314.5011 3 6771.50037 39968.6278 28,508 1.40173382 Residual wage Ln_duration home office cons SS df - 60275.1289 28,511 2.11410084 .0006432 -.4132811 .0964085 12.88994 Coef. Std. Err. MS 5.47e-06 .0099153 0295845 Number of obs = F(3, 28508) Prob > F R-squared Adj R-squared Root MSE t P>|t| 117.58 0.000 0.000 4.18 0.000 435.70 0.000 |||||||||| .0006325 -.4327156 .0512295 12.83195 = = = 28,512 4830.80 0.0000 0.3370 0.3370 1.1839 [95% Conf. Intervall .000654 -.3938467 1415876 12.94793arrow_forwardThe first five rows of the BIRTHS data set are shown here. For GENDER 1 =male and 0 = female, WEIGHT is birth weight in grams, and CHARGES is in dollars. FACis facility, ADMIT and DISCHARGE are named days of the week. FAC INSURANCE GENDER ADMIT DISCHARGE WEIGHT CHARGES Albany Medicaid 0 FRI SUN 3500 13986 Albany Blue Cross 1 FRI SUN 3900 3633 Bellvue Blue Cross 0 WED THU 900 359091 Albany Self Pay 1 MON SAT 2800 8537 Olean Medicaid 1 FRI SUN 3700 3633 Describe the appropriate level of measure for each of the variables of the data. (Nominal,Ordinal, or Numerical - discrete, or Numerical - continuous).arrow_forwardThe accompanying table pertains to scheduled commercial carriers for a certain country. The third year was an anomaly. If the anomalous numbers are removed from the data for the third year (4 of the 7 fatal accidents and 261 of the 531 fatalities were anomalous), which of the three measures for fatalities change and what are their new values for each of them? Click the icon to view the commercial carrier data for the country. ... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Simplify your answer. Type an integer or a decimal. Do not round.) OA. The new median is The mean and mode remain the same. The median and mode remain the same. OB. The new mean is OC. The new mode is D. The mean, the median, and the mode all remain the same. The mean and the median remain the same.arrow_forward
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