Solve the following problem. It is claimed that the average number of vehicles using the Lee...

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Solve the following problem. It is claimed that the average number of vehicles using the Lee Super Plaza parking lot each day is 244 vehicles. A statistics student recorded the number of vehicles using the parking lot over a two-week period. A table of the number of vehicles are shown below. 230 235 244 243 233 248 240 249 238 247 235 254 250 249 Do the collected data present sufficient evidence to indicate that the average number of vehicles using the Lee Super Plaza parking lot is different from 244 vehicles? Use 0.05 level of significance and assume that the population is normal. Solve the following problem. In the past, the average age of teachers in Taclobo National High School was 40 years. Recently, the school has been hiring younger teachers. Some of them are even fresh graduates from the different colleges and universities in the country. To determine whether there has been a decrease in the average age of all the teachers in Taclobo National High School, a random sample of 29 teachers was selected. The average age of the sample was 35 years with the standard deviation of 11 years. Using 0.05 level of significance, determine whether the age average of all the teachers in Taclobo National High School has decreased. Assume normality in the population. Solve the following problem. It is claimed that the average number of vehicles using the Lee Super Plaza parking lot each day is 244 vehicles. A statistics student recorded the number of vehicles using the parking lot over a two-week period. A table of the number of vehicles are shown below. 230 235 244 243 233 248 240 249 238 247 235 254 250 249 Do the collected data present sufficient evidence to indicate that the average number of vehicles using the Lee Super Plaza parking lot is different from 244 vehicles? Use 0.05 level of significance and assume that the population is normal. Solve the following problem. In the past, the average age of teachers in Taclobo National High School was 40 years. Recently, the school has been hiring younger teachers. Some of them are even fresh graduates from the different colleges and universities in the country. To determine whether there has been a decrease in the average age of all the teachers in Taclobo National High School, a random sample of 29 teachers was selected. The average age of the sample was 35 years with the standard deviation of 11 years. Using 0.05 level of significance, determine whether the age average of all the teachers in Taclobo National High School has decreased. Assume normality in the population.