 # High school statistics questions and answers

Recent questions in High school statistics CoormaBak9 2020-10-25 Answered

### $\begin{array}{|cccc|}\hline & \text{SUV}& \text{Sedan}& \text{Totals}\\ \text{Male}& 21& 39& 60\\ \text{Female}& & 45& 180\\ \text{Total}& 156& 84& \\ \hline\end{array}$ The two-way table represents the results of a random survey taken to determine the preferred vehicle for male and female drivers. Given that the participant is a female, which choice is the conditional relative frequency that she prefers an SUV a)0.25 b)0.55 c)0.75 d)0.87 Cabiolab 2020-10-25 Answered

### Which of the following is(are) True? I. The means of the Student’s t and standard normal distributions are equal. II. The standard normal distribution approaches the Student’s t distribution as the degrees of freedom becomes large. A. I only B. II only C. Both I and II D. Neither I nor II bobbie71G 2020-10-23 Answered

### Matching Here are several scatterplots. The calculated correlations are -0.923, -0.487, 0.006, and 0.777. Which is which?  Braxton Pugh 2020-10-21 Answered

### Distribution Suppose we have a binomial experiment in which success is defined to be a particular quality or attribute that interests us. (a) Suppose $n=100$ and $p=0.23$. Can we safely approximate the $\stackrel{^}{p}$ distribution by a normal distribution? Why? Compute ${\mu }_{\stackrel{^}{p}}$ and ${\sigma }_{\stackrel{^}{p}}$. Brittney Lord 2020-10-21 Answered

### Would you expect distributions of these variables to be uniform, unimodal, or bimodal? Symmetric or skewed? Explain why. a) Ages of people at a Little League game. b) Number of siblings of people in your class. c) Pulse rates of college-age males. d) Number of times each face of a die shows in 100 tosses. Tammy Todd 2020-10-20 Answered

### The explanatory variable in the given study. To determine:Whether the given explanatory variable is qualtitative or quantitative. e1s2kat26 2020-10-20 Answered

### The two-way table shows the eye color of 200 cats participating in a cat show. Make a two-way relative frequency table to show the distribution of the data with respect to gender. Round to the nearest tenth of a percent, as needed. naivlingr 2020-10-20 Answered

### Bayes' Theorem is given by $P\left(A|B\right)=\frac{P\left(B|A\right)\cdot P\left(A\right)}{P\left(B\right)}$. Use a two-way table to write an example of Bayes' Theorem. tricotasu 2020-10-18 Answered