Question

We are interested in studying whether education level affects people's credit default risk (failing paying their credit debt). A random study was conducted to see the percent of those who default on their credit card was conducted.

HIghest level education attained | % defaulted | Number of people studied |

High School | 36% | 100 |

Some College | 20% | 160 |

Bachelor's degree | 15% | 180 |

Advanced degree | 6% | 50 |

Test the null hypothesis of whether the popluation proportions of credit default rate is the same for all levels of education. Provide the test statistic value from your analysis.

Answer #1

ASAP Please for only Question #7 and 8
5) You are testing whether education level affects the happiness
using a chi square test. There are six education level
groups (No degree, Associate degree, Bachelor's degree, Master's
degree, Doctoral degree and Professional certificate) and three
happiness categories (very happy, no opinion and not happy). What
are the null and alternative hypotheses?
a.
H0: educational level and happiness are related
H1: educational level and happiness are not related
b.
H0: educational level...

The comparisons of Scholastic Aptitude Test (SAT) scores based
on the highest level of education attained by the test taker's
parents were provided. A research hypothesis was that students
whose parents had attained a higher level of education would on
average score higher on the SAT. The overall mean SAT math score
was (College Board website, January 8, 2012). SAT math
scores for independent samples of students follow. The first sample
shows the SAT math test scores for students whose parents...

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