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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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- The accompanying table shows the percentage of people with 2 dosage of Covid vaccine administered. Determine the parameters for the South 大 East Asian Countries.6 A study was conducted that measured the total brain volume (TBV) (in mm3) of patients that had schizophrenia and patients that are considered normal. Table #1 contains the TBV of the normal patients and Table #2 contains the TBV of schizophrenia patients ("SOCR data Oct2009," 2013). Table #1: Total Brain Volume (in mm3) of Normal Patients 1663407 1583940 1299470 1535137 1431890 1578698 1453510 1650348 1288971 1366346 1326402 1503005 1474790 1317156 1441045 1463498 1650207 1523045 1441636 1432033 1420416 1480171 1360810 1410213 1574808 1502702 1203344 1319737 1688990 1292641 1512571 1635918 Table #2: Total Brain Volume (in mm3) of Schizophrenia Patients 1331777 1487886 1066075 1297327 1499983 1861991 1368378 1476891 1443775 1337827 1658258 1588132 1690182 1569413 1177002 1387893 1483763 1688950 1563593 1317885 1420249 1363859 1238979…An agronomist undertook an experiment to investigate the factors that potato harvest. In his research, agronomist decided to divide the farm into 30 half hectare plots and apply varies level of fertilizer. Potato was then planted and the harvest at the end of the season was recorded. Fertilizer(Kg) Harvest (tons) 210 43.5 220 40.0 230 48.0 240 65.0 250 80.0 260 85.0 270 95.0 280 80.0 290 97.3 1. Find the simple regression line and interpret the coefficients. 2. Find the coefficient of determination and interpret its value. 3. Does the model appear to be a useful tool in predicting the potato harvest? If so, predict the harvest when 250KG of fertilizer is applied. If not explain why not.
- An agronomist undertook an experiment to investigate the factors that potato harvest. In his research, agronomist decided to divide the farm into 30 half hectare plots and apply varies level of fertilizer. Potato was then planted and the harvest at the end of the season was recorded. Fertilizer(Kg) Harvest (tons) 210 43.5 220 40.0 230 48.0 240 65.0 250 80.0 260 85.0 270 95.0 280 80.0 290 97.3 Note: No excel ANOVA output allowed. Students need to show all the steps in calculations. You are required to; Find the simple regression line and interpret the coefficients. Find the coefficient of determination and interpret its value. Does the model appear to be a useful tool in predicting the potato harvest? If so, predict the harvest when 250KG of fertilizer is applied. If not explain why not.An agronomist undertook an experiment to investigate the factors that potato harvest. In his research, agronomist decided to divide the farm into 30 half hectare plots and apply varies level of fertilizer. Potato was then planted and the harvest at the end of the season was recorded. Fertilizer(Kg) Harvest (tons) 210 43.5 220 40.0 230 48.0 240 65.0 250 80.0 260 85.0 270 95.0 280 80.0 290 97.3 2. Find the coefficient of determination and interpret its value. 3. Does the model appear to be a useful tool in predicting the potato harvest? If so, predict the harvest when 250KG of fertilizer is applied. If not explain why not.A firm works on the activity "delivery of packets to customers". The following information is given. Total Number Weight of all packets Volume Business year activity cost of all packets of all packets 2019 123,411 € 8,430 68,470 kg 4,000 m? 2020 135,800 € 9,000 70,000 kg 4,400 m3 The firm's managers are surprised, as the activity cost increased by 10%, while the number of packets increased by only 7%. a) What might, in this case, be the main cost driver for the increase in activity cost? Please give a reason for your answer. b) Based on your answer to question a, what is the corresponding activity-cost rate?
- An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were used as blocks in the experiment. The data obtained follow. Analyzer Computerized Electronic Car Compact 52 43 Intermediate 55 44 Full sized 61 45 Use ? = 0.05 to test for any significant differences. State the null and alternative hypotheses. H0: ?Compact ≠ ?Intermediate ≠ ?Full-sizedHa: ?Compact = ?Intermediate = ?Full-sized H0: ?Compact = ?Intermediate = ?Full-sizedHa: ?Compact ≠ ?Intermediate ≠ ?Full-sized H0: ?Computerized = ?Electronic = ?Compact = ?Intermediate = ?Full-sizedHa: Not all the population means are equal. H0: ?Computerized ≠ ?ElectronicHa: ?Computerized = ?Electronic H0: ?Computerized = ?ElectronicHa: ?Computerized ≠ ?Electronic Find the…An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were used as blocks in the experiment. The data obtained follow. Analyzer Computerized Electronic Compact 51 42 Car Intermediate 54 44 Full-sized 63 46 Use a = 0.05 to test for any significant differences. State the null and alternative hypotheses. O Ho: Camputerized = HElectronic H: "Computerized * HElectronic O Ho: HCamputerized * HElectronic H: "Computerized = "Electronic O Ho: "Compact = "Intermediate = "Full-sized Ha: "Compact * HIntermediate * HFull-sized O Ho: HComputerized = "Electronic = "Compact = "Intermediate = "Full-sized H: Not all the population means are equal. O Ho: HCompact * "Intermediate * HFull-sized Ha: "Compact = "Intermediate = "Full-sized Find the value of the…4. In an experiment to see whether the amount of cov- erage of light-blue interior latex paint depends either on the brand of paint or on the brand of roller used, I gallon of each of four brands of paint was applied using each of three brands of roller, resulting in the following data (number of square feet covered). Roller Brand 2 3 454 446 1 446 451 2 447 Paint Вгаnd 444 3 439 442 444 4 444 437 443 a. Construct the ANOVA table. [Hint: The compu- tations can be expedited by subtracting 400 (or any other convenient number) from each obser- vation. This does not affect the final results.] b. State and test hypotheses appropriate for decid- ing whether paint brand has any effect on cover- nge. Use a = .0s. c. Repeat part (b) for brand of roller. d. Use Tukey's method to identify significant dif- ferences among brands. Is there one brand that seems clearly preferable to the others?
- The number of planes to arrive at the Dubai International Airport over N days were recorded and inputted into MINITAB for analysis. Exhibit 1 was subsequently generated. Exhibit 1Stem-and-Leaf Display: No. of Arrival Leaf Unit = 1 N =* 5 2 0112310 2 56899** 3 0001123(***) 3 666667888812 4 011347 4 577892 5 00 Calculate the missing values *, ** and *** ii. Find the value of thea) Median b) Highest value c) Mode c) Using the stem and leaf diagram in Exhibit 1,i. Form a frequency table by identifying the class intervals implicitly. Using the table created in 2ci) above, ii. Calculate the sample mean iii. Calculate the sample varianceI. Write P if it is a primary source and S if it is a secondary source. An interview with the health officials concerning the effectiveness of the COVID 19 vaccine * Student's online evaluation of the performance of the faculty * A TV host was asked about the status of the entertainment industry. *A teacher wants to determine which factors can significantly predict academic performance in mathematics of a group of learners. (Use the result below:)Which among the three factors: prior knowledge, mind set, math anxiety can predict a group of students’ academic performance in mathematics?SPSS resultCoefficientsa ModelUnstandardized CoefficientsStandardized CoefficientstSig. BStd. ErrorBeta 1(Constant)-17.7294.503 -3.937.000 PriorKnowledge.357.058.4306.132.000 Mind set3.3821.617.1472.091.038