Warren County Telephone Company claims in its annual report that "the typical customer spends $61 per month on local and long-distance service." sample of 12 subscribers revealed the following amounts spent last month. $65 $66 $65 $68 $59 $63 $68 $65 $64 $58 $54 $65 a. What is the point estimate of the population mean? (Round your answer to 3 decimal places.) Estimated population mean SA

Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…

Is the following nominal, ordinal, or interval data? Explain your answer.  Stock prices

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 86 10 83 10 98 10 98 40 89 30

Find the mean, median, and mode of the data set  9    4   8   4   7   mean (Enter a number.)           median (Enter an exact number.)            mode (Enter an exact number.)

The following refer to the following data set: 24 35 98 30 91 40 93 40 57 39 What is the mean () of this data set? mean = (Please show your answer to one decimal place.) What is the median of this data set? median = What is the mode of this data set? mode =

The following questions refer to this data set: 39 72 84 34 20 87 26 59 85 85 What is the mean of this data set? mean = (Round your answer to one decimal place if necessary.) What is the median of this data set? median = What is the mode of this data set? mode =

ts eBook Print References a. 100 m dash times (n = 6 top runners): b. Number of children (n = 13 families): c. Number of cars in driveway (n = 8 homes): Click here for the Excel Data File (a) Find the mean, median, and mode for each data set. (Round your answers to 2 decimal places.) 100 m dash times Number of children Number of cars in driveway Mean 100 m dash times Number of children Number of cars in driveway Median 9.87, 9.98, 10.02, 10.15, 10.36, 10.36 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6 0, 0, 1, 1, 2, 2, 3, 5 Mode (b) Which of these three measures is the weakest indicator of a "typical" data value?

The cost per load (in cents) of 35 laundry detergents tested by Consumer Reports is shown here. Frequency Class 13-19 20-26 27-33 34-40 41-47 48-54 55-61 62-68 623543 8 4 Find the mean of the data set. If necessary, round to the nearest whole number.