From the following data find out whether there is any significant relationship between gender and preference of colour. Use Chi-square test and give detailed explanation with solution. Preference for Colour\Gender Male Female Red 56 42 Grey 67 39 Orange 34 25

An online shop owner believes that 85% of her customers will want to go into a real store. She surveyed 50 customers and 39 said they want to visit a store. Is the owners claim correct? Use a 0.01 level of significance.

Answer and explain your answer corectly. i ll rate accordingly.

The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.

Please answer all the questions in literal b

Pain medications sometimes come with side effects.  One side effect is dizziness.  A researcher wanted to determine if some pain medications produced more or less dizziness than others.  The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group  who experienced dizziness are the same at the � = .01 level of significance.   Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 5 8 No dizziness 4063 1832 1330 382 337 1) Determine the null and alternative hypotheses. Select the correct pair.   ��:The proportion of people within each treatment group  who experienced dizziness are independent��: The proportion of people within each treatment group  who experienced dizziness are dependent ��: The proportion of people within each treatment group  who experienced dizziness are the same��: The proportion of people within each treatment group  who experienced dizziness are different   2) Determine the…

Explain what a positive bias and a negative bias mean in relation to the mean, mode, and median.

Provide an example of a study, including the variables, level of measurement, and hypotheses, for which a researcher could appropriately choose two different statistics to examine the relations between the same variables. Explain your answer.

Consider the data that was obtained from a random sample of 41 credit card accounts. Identify all the averages (mean, median, or mode) that can be used to summarize the name of credit card (e.g., MasterCard, Visa, American Express, etc.) O median if it exists mean and mode if it exists O mean, median, and mode if it exists O mode if it exists mean if it exists

please use the calculator method