A manufacturer of batteries for electronic watches wants to determine how long batteries last.  A sample of 8 batteries reveals the following lifetimes (in months):  8, 6, 10, 3, 8, 9, 10, 7. Compute the sample: c) Mode

Q1-5: Given the following data from a sample of sizen= 7 12 7 49073 The third qoartile is: Select one: O a. 4 O b. 7 O c. 8 O d. 9

A Doctor is interested in the proportion of Lyon county residents who were infected with covid-19 virus. There were 425 covid-19 cases reported among 25474 residents in Lyon county a.What is the experimental unit in this experiment?   b.What is the population in this experiment?   c. What is a parameters considered in this experiment?   d. What is a statistics in this experiment?   e. What variables should pollster collect in this experiment?

Help me find the sample size of a population of 500 using yamani formular

A recent poll revealed the political affiliations of 205 Americans, along with the region of the country in which they reside. Political Affiliation Democrat Independent Republican Northeast 14 26 12 Region Southeast 13 23 17 West 34 37 29 If you wish, you may download the data in your preferred format. CrunchIt! CSV Excel JMP Mac Text Minitab PC Text R SPSS TI Calc To test whether region of residence and political affiliation were related, one of the pollsters computed a chi-squard statistic, x = 3.4318, with four degrees of freedom and set an alpha (a) level of 0.05. Determine the P-value of the chi-square statistic in this test for independence and report it to at least three decimal places. You will need to use some kind of software (statistical package or calculator that does statistical computations) to get the P-value that precisely. P%3D

The following sample was obtained from the population. 13,7,6,12,0,4 a) Compute the sample mean.

Given the 5 variables being: 22342, 19919, 8187, 15875, 17994, could you help me understand the fourmlas and find the mean, median, range, standard deviation, variance, skewness, and kurtosis?

110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 23 0.2091   1   0.0818 32 2 4 0.0364 36 3 16   52 4 15 0.1364 67 5 13 0.1182 80 6 13 0.1182 93 7 17 0.1545 110 a.  Complete the table (Use 4 decimal places when applicable) b.  What is the cumulative relative frequency for flossing 5 times per week? %