middle school

Find two z values, which bound 30% of the exact middle area of a standard normal distribution. => - 0.385, + 0.385 or - 0.84, + 0.84 or - 0.4, + 0.37 or - 0.525, + 0.525..

Find two z values, which bound 50% of the exact middle area of a standard normal distribution. => - 0.674, + 0.674 or - 0.674, + 4.0 or - 4.0, + 4.0 or - 4.0, + 0.674..

Which among the following statement(s) is/are correct? I. An outlier is an extremely high or an extremely low data value when compared with the rest of the data values. II. The mean and standard deviation of a variable are not affected by an outlier. III. The interquartile range is defined as the d..

During summer, the cable connected between two poles sagged and formed a parabola modeled by a quadratic function y = 0.00001 x 2 + 0.9, where x is the horizontal distance from the middle of the cable (in feet) and y is the vertical distance from the vertex of parabola (in feet). The cabl..

During summer, the cable connected between two poles sagged and formed a parabola modeled by a quadratic function y = 0.00001 x 2 + 0.9, where x is the horizontal distance from the middle of the cable(in feet) and y is the vertical distance from the vertex of parabola(in feet). The cable ..

During summer, the cable connected between two poles sagged and formed a parabola modeled by a quadratic function y = 0.00001 x 2 + 0.9, where x is the horizontal distance from the middle of the cable(in feet) and y is the vertical distance from the vertex of parabola(in feet). The cable ..

Figure below gives different routes that Jack can choose from his house to school. Jack goes regularly to school by car, with an average speed of 60 km/hr. Is it possible to find out the time required to reach the destination? Yes, you can definitely find out the time using the ..

From the above examples on approximation, we observe that the approximated value may be more or less than the original number. The difference between these two values is called the absolute error. Absolute Error = Original number - Approximated number The ratio of the absolute error and the origina..

M = 8 The weight in kg of the 9 members of a school tug-of-war team are: 54, 59, 63, 53, 73, 49, 50, x, 45. If the average weight is 56 kg, find x. x = 5..