LEAD: A chart on Sept. 24 about fall foliage omitted a phone number for Pennsylvania.

Each chart omits a single point, either ( 1, 0) for s or (+1, 0) for t, so neither chart alone is sufficient to cover the whole circle.

The chart also omitted a source for the figures.

LEAD: Because of a mechanical error, a chart last Sunday about the effect of crude oil prices on company earnings omitted the names of several oil producers.

The chart also omitted the figure for print rights sold in Norway, Sweden and Denmark.

Because of a production error, a chart last Sunday about third-grade reading test scores omitted a shaded key to a map of the city's community school districts.

The chart also omitted the names of three main scientists at the company.

A chart last Sunday about the performance of different types of mutual funds during bear markets omitted the percentage returns of the best- and worst-performing fund groups.

A chart in Business Day last Wednesday, comparing changes in drug prices paid by health maintenance organizations and those paid by retailers, omitted an explanatory heading.

The chart also omits committee staff and a number of job titles that could not easily be classified or had less than 50 people.