Answer Happy

A student trying to make extra income aside what he receives from his parents set up an ice cream bar to sell ice cream. He made sales in his first days and recoded the data; and needed to know the correlation between the ice cream sells and the day's temperature. Below are his records: Temp. °C Ice cream sales (K) 14.2 215 14.4 325 11.9 185 15.2 332 18.5 406 22.1 522 19.4 412 25.1 614 23.4 544 18.1 421 22.6 445 17.2 408 *indicate the correlation between the two and regression line
If in a population of penguins the narrow sense heritability of maturation weight is 0.5, the phenotypic variance is 1001b2, the total genetic variances is 50lbs and the epistatic variance is 0; calculate the dominance genetic variance ad the environmental variance The following are the rainfall figures obtained from a weather station in six days; calculate the mean, variance and standard deviation. Monday Tuesday Wednesday Thursday Friday Saturday 15mm 17mm 23mm 7mm 9mm 13mm Explain the strength of association between the number of hours a student spends studying and their exam scores. Hours Exam scores 158% 32% 63% 87% 64% 45% 68% *Explain whats happening to the dependent variable