Records indicate that the mean number of texts sent by 18 to 25 years olds is 81, with a standard deviation of 16. The distribution is skewed to the left 64 eighteen to twenty-year olds were randomly selected and the average number of texts sent for a day was recorded 1. Determine the mean and standard error of the mean of the sampling distribution 2. Determine the skew of the sampling distribution The sampling distribution will be O A. Left-skewed O B. Approximately normally distributed OC. Cannot be determined OD. Exactly normally distributed

Q: whale's dir

A: In the question we have to draw a graph on the position of the blue whale .   AS PER OUR GUIDLINES…

Q: -y(0)-0, x(0) = 0, y (0) - em of differential equations can be e first order with the help of the…

A: Given as, x¨= y˙ -1 . , y¨=-x-2      u=x˙ and v=y˙       u˙=x¨  v˙=y¨

Q: help me solve the problem number 10

A: This question can be solved using formula for reducing powers cos A2=1+cos(2A)2

Q: what is the answer to the problem

A: We want to use implicit differentiation to find partial derivatives.

Q: Solve the following quadratic equation for all values of x in simplest form. 6 – a? = -8

A:

Q: i need both problems solved not just one

A: (1).Purchased value of the car is:  P=$23000After every year the value of the car is decreased by…

Q: THIS SOLUTION IS DIFFICULT TO READ - CAN THIS BE HAND WRITTEN?

A:

Q: Answer this problem correctly

A:

Q: don't understand how I'm supposed to solve this question.

A: Basic concept of discrete probability distribution are used

Q: please check my work for this problem. thank you.

A: Yes your work is correct. Well done.

Q: What is the right answer? I have to show work.

A: The probability PAB is the conditional probability of happening of event A provided event B already…

Q: Is there another solution?

A:

Q: Can you help me solve that problems

A: We’ll answer the first question (#4) since the exact one wasn’t specified. Please submit a new…

Q: I need help on this practice problem.

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.