A researcher in the field of educational psychology is interested in the effects an open classroom has on intellectual development. In the open classroom things are much less structured than in a traditional classroom and she believes that this might affect problem-solving skills. An elementary school in her district switched to an open classroom format last year, and she is interested to see how this has impacted on the kids problem-solving skills. She obtains a random sample of 49 fourth grade children and administers a conceptual problem-solving test to them. It is known that fourth graders in traditional classes have an average score of 82 on the test. The children in this study score an average of 86 with a standard deviation of 5. "Which type of statistical test should the researcher do"?

The manda panda company uses the allowance method to account for bad debts. at the beginning of 2018, the allowance account had a credit balance of $92,400. credit sales for 2018 totaled $3,190,000 and the year-end accounts receivable balance was $507,500. during this year, $88,500 in receivables were determined to be uncollectible. manda panda anticipates that 3% of all credit sales will ultimately become uncollectible. the fiscal year ends on december 31. required: 1. does this situation describe a loss contingency? 2. what is the bad debt expense that manda panda should report in its 2018 income statement? 3. prepare the appropriate journal entry to record the contingency. 4. complete the table below to calculate the net realizable value manda panda should report in its 2018 balance sheet?