Con los siguientes datos cálcula la varianza muestral: - Lunes: 3 peces - Martes: 2 peces - Miércoles: 4 peces - Jueves: 3 peces - Viernes: 2 peces - Sábado: 5 peces - Domingo: 1 peces

What is a scatter plot?

In a survey of 258 professional athletes, it was found that 122 of them owned a convertible, 117 of them owned a giant screen TV, and 113 owned a sporting goods store. 21 owned a convertible and a store, 44 owned a TV and a store, and 66 owned a covertible and a TV. 10 owned all three items. 1. How many athletes did not own any of the three items? 2. How many owned a covertible and a TV, but not a store? 3. How many athletes owned a convertible or a TV? 4. How many athletes owned exactly one type of item in the survey? 5. How many athletes owned at least one type of item in the survey? 231 6. How many owned a TV or a store, but not a convertible?

إذا كان معامل الارتباط \( r=0.93 \) فهذا يعني ان هناك علاكة توية طرية

What is a scatter plot?

63. Sea \( \mathbf{p} \) la desviación estándar de los 5 primeros números primos. Si se resta 1 , a cada uno de estos números, entonces la varianza del nuevo conjunto de números es A) \( p-5 \) B) \( 5-p \) C) \( (p-5)^{2} \) D) \( p^{2} \) E) \( p^{2}-5 \)